electron-v2.0.9.js.flow

/**
 * Copyright 2018-present Facebook.
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 * @format
 * @flow
 *
 * This is an autogenerated libdef for: electron-v2.0.9 renderer process
 */

declare module 'electron' {
  declare module.exports: {
    clipboard: {
      readText: (type?: ?string) => string,
      writeText: (text: string, type?: ?string) => void,
      readHTML: (type?: ?string) => string,
      writeHTML: (markup: string, type?: ?string) => void,
      readImage: (type?: ?string) => NativeImage,
      writeImage: (image: NativeImage, type?: ?string) => void,
      readRTF: (type?: ?string) => string,
      writeRTF: (text: string, type?: ?string) => void,
      readBookmark: () => {
        title: string,
        url: string,
      },
      writeBookmark: (title: string, url: string, type?: ?string) => void,
      readFindText: () => string,
      writeFindText: (text: string) => void,
      clear: (type?: ?string) => void,
      availableFormats: (type?: ?string) => Array<string>,
      has: (format: string, type?: ?string) => boolean,
      read: (format: string) => string,
      readBuffer: (format: string) => Buffer,
      writeBuffer: (format: string, buffer: Buffer, type?: ?string) => void,
      write: (
        data: {
          text?: ?string,
          html?: ?string,
          image?: ?NativeImage,
          rtf?: ?string,
          bookmark?: ?string,
        },
        type?: ?string,
      ) => void,
    },
    crashReporter: {
      start: (options: {
        companyName?: ?string,
        submitURL: string,
        productName?: ?string,
        uploadToServer?: ?boolean,
        ignoreSystemCrashHandler?: ?boolean,
        extra?: ?{},
        crashesDirectory?: ?string,
      }) => void,
      getLastCrashReport: () => CrashReport,
      getUploadedReports: () => Array<CrashReport>,
      getUploadToServer: () => boolean,
      setUploadToServer: (uploadToServer: boolean) => void,
      addExtraParameter: (key: string, value: string) => void,
      removeExtraParameter: (key: string) => void,
      getParameters: () => void,
    },
    desktopCapturer: {
      getSources: (
        options: {
          types: Array<string>,
          thumbnailSize?: ?Size,
        },
        callback: Function,
      ) => void,
    },
    ipcRenderer: {
      on: (channel: string, listener: Function) => void,
      once: (channel: string, listener: Function) => void,
      removeListener: (channel: string, listener: Function) => void,
      removeAllListeners: (channel: string) => void,
      send: (channel: string, ...args: Array<any>) => void,
      sendSync: (channel: string, ...args: Array<any>) => any,
      sendTo: (windowId: number, channel: string, ...args: Array<any>) => void,
      sendToHost: (channel: string, ...args: Array<any>) => void,
    },
    nativeImage: {
      createEmpty: () => NativeImage,
      createFromPath: (path: string) => NativeImage,
      createFromBuffer: (
        buffer: Buffer,
        options?: ?{
          width?: ?number,
          height?: ?number,
          scaleFactor?: ?number,
        },
      ) => NativeImage,
      createFromDataURL: (dataURL: string) => NativeImage,
      createFromNamedImage: (
        imageName: string,
        hslShift: Array<number>,
      ) => NativeImage,
    },
    process: {
      crash: () => void,
      getCPUUsage: () => CPUUsage,
      getIOCounters: () => IOCounters,
      getProcessMemoryInfo: () => {
        workingSetSize: number,
        peakWorkingSetSize: number,
        privateBytes: number,
        sharedBytes: number,
      },
      getSystemMemoryInfo: () => {
        total: number,
        free: number,
        swapTotal: number,
        swapFree: number,
      },
      hang: () => void,
      setFdLimit: (maxDescriptors: number) => void,
      on: (eventName: 'loaded', callback: () => void) => void,
      once: (eventName: 'loaded', callback: () => void) => void,
      defaultApp?: ?boolean,
      mas?: ?boolean,
      noAsar?: ?boolean,
      noDeprecation?: ?boolean,
      resourcesPath?: ?string,
      throwDeprecation?: ?boolean,
      traceDeprecation?: ?boolean,
      traceProcessWarnings?: ?boolean,
      type?: ?string,
      windowsStore?: ?boolean,
      versions: {
        chrome?: ?string,
        electron?: ?string,
      },
    },
    remote: {
      require: (module: string) => any,
      getCurrentWindow: () => BrowserWindow,
      getCurrentWebContents: () => WebContents,
      getGlobal: (name: string) => any,
      process?: ?any,
      app: {
        quit: () => void,
        exit: (exitCode?: ?number) => void,
        relaunch: (
          options?: ?{
            args?: ?Array<string>,
            execPath?: ?string,
          },
        ) => void,
        isReady: () => boolean,
        focus: () => void,
        hide: () => void,
        show: () => void,
        getAppPath: () => string,
        getPath: (name: string) => string,
        getFileIcon: (
          path: string,
          options?: ?{
            size: 'small' | 'normal' | 'large',
          },
          callback: Function,
        ) => void,
        setPath: (name: string, path: string) => void,
        getVersion: () => string,
        getName: () => string,
        setName: (name: string) => void,
        getLocale: () => string,
        addRecentDocument: (path: string) => void,
        clearRecentDocuments: () => void,
        setAsDefaultProtocolClient: (
          protocol: string,
          path?: ?string,
          args?: ?Array<string>,
        ) => boolean,
        removeAsDefaultProtocolClient: (
          protocol: string,
          path?: ?string,
          args?: ?Array<string>,
        ) => boolean,
        isDefaultProtocolClient: (
          protocol: string,
          path?: ?string,
          args?: ?Array<string>,
        ) => boolean,
        setUserTasks: (tasks: Array<Task>) => boolean,
        getJumpListSettings: () => {
          minItems: number,
          removedItems: Array<JumpListItem>,
        },
        setJumpList: (categories: Array<JumpListCategory>) => void,
        makeSingleInstance: (callback: Function) => boolean,
        releaseSingleInstance: () => void,
        setUserActivity: (
          type: string,
          userInfo: {},
          webpageURL?: ?string,
        ) => void,
        getCurrentActivityType: () => string,
        invalidateCurrentActivity: (type: string) => void,
        updateCurrentActivity: (type: string, userInfo: {}) => void,
        setAppUserModelId: (id: string) => void,
        importCertificate: (
          options: {
            certificate: string,
            password: string,
          },
          callback: Function,
        ) => void,
        disableHardwareAcceleration: () => void,
        disableDomainBlockingFor3DAPIs: () => void,
        getAppMetrics: () => Array<ProcessMetric>,
        getGPUFeatureStatus: () => GPUFeatureStatus,
        setBadgeCount: (count: number) => boolean,
        getBadgeCount: () => number,
        isUnityRunning: () => boolean,
        getLoginItemSettings: (
          options?: ?{
            path?: ?string,
            args?: ?Array<string>,
          },
        ) => {
          options?: ?{
            path?: ?string,
            args?: ?Array<string>,
          },
          openAtLogin: boolean,
          openAsHidden: boolean,
          wasOpenedAtLogin: boolean,
          wasOpenedAsHidden: boolean,
          restoreState: boolean,
        },
        setLoginItemSettings: (settings: {
          openAtLogin?: ?boolean,
          openAsHidden?: ?boolean,
          path?: ?string,
          args?: ?Array<string>,
        }) => void,
        isAccessibilitySupportEnabled: () => boolean,
        setAccessibilitySupportEnabled: (enabled: boolean) => void,
        setAboutPanelOptions: (options: {
          applicationName?: ?string,
          applicationVersion?: ?string,
          copyright?: ?string,
          credits?: ?string,
          version?: ?string,
        }) => void,
        startAccessingSecurityScopedResource: (
          bookmarkData: string,
        ) => Function,
        enableMixedSandbox: () => void,
        isInApplicationsFolder: () => boolean,
        moveToApplicationsFolder: () => boolean,
        on: ((
          eventName: 'will-finish-launching',
          callback: () => void,
        ) => void) &
          ((eventName: 'ready', callback: (launchInfo: {}) => void) => void) &
          ((eventName: 'window-all-closed', callback: () => void) => void) &
          ((
          eventName: 'before-quit',
          callback: (event: Event) => void,
        ) => void) &
          ((eventName: 'will-quit', callback: (event: Event) => void) => void) &
          ((
          eventName: 'quit',
          callback: (event: Event, exitCode: number) => void,
        ) => void) &
          ((
          eventName: 'open-file',
          callback: (event: Event, path: string) => void,
        ) => void) &
          ((
          eventName: 'open-url',
          callback: (event: Event, url: string) => void,
        ) => void) &
          ((
          eventName: 'activate',
          callback: (event: Event, hasVisibleWindows: boolean) => void,
        ) => void) &
          ((
          eventName: 'continue-activity',
          callback: (event: Event, type: string, userInfo: {}) => void,
        ) => void) &
          ((
          eventName: 'will-continue-activity',
          callback: (event: Event, type: string) => void,
        ) => void) &
          ((
          eventName: 'continue-activity-error',
          callback: (event: Event, type: string, error: string) => void,
        ) => void) &
          ((
          eventName: 'activity-was-continued',
          callback: (event: Event, type: string, userInfo: {}) => void,
        ) => void) &
          ((
          eventName: 'update-activity-state',
          callback: (event: Event, type: string, userInfo: {}) => void,
        ) => void) &
          ((
          eventName: 'new-window-for-tab',
          callback: (event: Event) => void,
        ) => void) &
          ((
          eventName: 'browser-window-blur',
          callback: (event: Event, window: BrowserWindow) => void,
        ) => void) &
          ((
          eventName: 'browser-window-focus',
          callback: (event: Event, window: BrowserWindow) => void,
        ) => void) &
          ((
          eventName: 'browser-window-created',
          callback: (event: Event, window: BrowserWindow) => void,
        ) => void) &
          ((
          eventName: 'web-contents-created',
          callback: (event: Event, webContents: WebContents) => void,
        ) => void) &
          ((
          eventName: 'certificate-error',
          callback: (
            event: Event,
            webContents: WebContents,
            url: string,
            error: string,
            certificate: Certificate,
            callback: Function,
          ) => void,
        ) => void) &
          ((
          eventName: 'select-client-certificate',
          callback: (
            event: Event,
            webContents: WebContents,
            url: URL,
            certificateList: Array<Certificate>,
            callback: Function,
          ) => void,
        ) => void) &
          ((
          eventName: 'login',
          callback: (
            event: Event,
            webContents: WebContents,
            request: {
              method: string,
              url: URL,
              referrer: URL,
            },
            authInfo: {
              isProxy: boolean,
              scheme: string,
              host: string,
              port: number,
              realm: string,
            },
            callback: Function,
          ) => void,
        ) => void) &
          ((
          eventName: 'gpu-process-crashed',
          callback: (event: Event, killed: boolean) => void,
        ) => void) &
          ((
          eventName: 'accessibility-support-changed',
          callback: (
            event: Event,
            accessibilitySupportEnabled: boolean,
          ) => void,
        ) => void) &
          ((
          eventName: 'session-created',
          callback: (event: Event, session: Session) => void,
        ) => void),
        once: ((
          eventName: 'will-finish-launching',
          callback: () => void,
        ) => void) &
          ((eventName: 'ready', callback: (launchInfo: {}) => void) => void) &
          ((eventName: 'window-all-closed', callback: () => void) => void) &
          ((
          eventName: 'before-quit',
          callback: (event: Event) => void,
        ) => void) &
          ((eventName: 'will-quit', callback: (event: Event) => void) => void) &
          ((
          eventName: 'quit',
          callback: (event: Event, exitCode: number) => void,
        ) => void) &
          ((
          eventName: 'open-file',
          callback: (event: Event, path: string) => void,
        ) => void) &
          ((
          eventName: 'open-url',
          callback: (event: Event, url: string) => void,
        ) => void) &
          ((
          eventName: 'activate',
          callback: (event: Event, hasVisibleWindows: boolean) => void,
        ) => void) &
          ((
          eventName: 'continue-activity',
          callback: (event: Event, type: string, userInfo: {}) => void,
        ) => void) &
          ((
          eventName: 'will-continue-activity',
          callback: (event: Event, type: string) => void,
        ) => void) &
          ((
          eventName: 'continue-activity-error',
          callback: (event: Event, type: string, error: string) => void,
        ) => void) &
          ((
          eventName: 'activity-was-continued',
          callback: (event: Event, type: string, userInfo: {}) => void,
        ) => void) &
          ((
          eventName: 'update-activity-state',
          callback: (event: Event, type: string, userInfo: {}) => void,
        ) => void) &
          ((
          eventName: 'new-window-for-tab',
          callback: (event: Event) => void,
        ) => void) &
          ((
          eventName: 'browser-window-blur',
          callback: (event: Event, window: BrowserWindow) => void,
        ) => void) &
          ((
          eventName: 'browser-window-focus',
          callback: (event: Event, window: BrowserWindow) => void,
        ) => void) &
          ((
          eventName: 'browser-window-created',
          callback: (event: Event, window: BrowserWindow) => void,
        ) => void) &
          ((
          eventName: 'web-contents-created',
          callback: (event: Event, webContents: WebContents) => void,
        ) => void) &
          ((
          eventName: 'certificate-error',
          callback: (
            event: Event,
            webContents: WebContents,
            url: string,
            error: string,
            certificate: Certificate,
            callback: Function,
          ) => void,
        ) => void) &
          ((
          eventName: 'select-client-certificate',
          callback: (
            event: Event,
            webContents: WebContents,
            url: URL,
            certificateList: Array<Certificate>,
            callback: Function,
          ) => void,
        ) => void) &
          ((
          eventName: 'login',
          callback: (
            event: Event,
            webContents: WebContents,
            request: {
              method: string,
              url: URL,
              referrer: URL,
            },
            authInfo: {
              isProxy: boolean,
              scheme: string,
              host: string,
              port: number,
              realm: string,
            },
            callback: Function,
          ) => void,
        ) => void) &
          ((
          eventName: 'gpu-process-crashed',
          callback: (event: Event, killed: boolean) => void,
        ) => void) &
          ((
          eventName: 'accessibility-support-changed',
          callback: (
            event: Event,
            accessibilitySupportEnabled: boolean,
          ) => void,
        ) => void) &
          ((
          eventName: 'session-created',
          callback: (event: Event, session: Session) => void,
        ) => void),
        commandLine: {
          appendSwitch?: ?Function,
          appendArgument?: ?Function,
        },
        dock: {
          bounce?: ?Function,
          cancelBounce?: ?Function,
          downloadFinished?: ?Function,
          setBadge?: ?Function,
          getBadge?: ?Function,
          hide?: ?Function,
          show?: ?Function,
          isVisible?: ?Function,
          setMenu?: ?Function,
          setIcon?: ?Function,
        },
      },
      autoUpdater: {
        setFeedURL: (options: {
          url: string,
          headers?: ?{},
          serverType?: ?string,
        }) => void,
        getFeedURL: () => string,
        checkForUpdates: () => void,
        quitAndInstall: () => void,
        on: ((eventName: 'error', callback: (error: Error) => void) => void) &
          ((eventName: 'checking-for-update', callback: () => void) => void) &
          ((eventName: 'update-available', callback: () => void) => void) &
          ((eventName: 'update-not-available', callback: () => void) => void) &
          ((
          eventName: 'update-downloaded',
          callback: (
            event: Event,
            releaseNotes: string,
            releaseName: string,
            releaseDate: Date,
            updateURL: string,
          ) => void,
        ) => void),
        once: ((eventName: 'error', callback: (error: Error) => void) => void) &
          ((eventName: 'checking-for-update', callback: () => void) => void) &
          ((eventName: 'update-available', callback: () => void) => void) &
          ((eventName: 'update-not-available', callback: () => void) => void) &
          ((
          eventName: 'update-downloaded',
          callback: (
            event: Event,
            releaseNotes: string,
            releaseName: string,
            releaseDate: Date,
            updateURL: string,
          ) => void,
        ) => void),
      },
      clipboard: {
        readText: (type?: ?string) => string,
        writeText: (text: string, type?: ?string) => void,
        readHTML: (type?: ?string) => string,
        writeHTML: (markup: string, type?: ?string) => void,
        readImage: (type?: ?string) => NativeImage,
        writeImage: (image: NativeImage, type?: ?string) => void,
        readRTF: (type?: ?string) => string,
        writeRTF: (text: string, type?: ?string) => void,
        readBookmark: () => {
          title: string,
          url: string,
        },
        writeBookmark: (title: string, url: string, type?: ?string) => void,
        readFindText: () => string,
        writeFindText: (text: string) => void,
        clear: (type?: ?string) => void,
        availableFormats: (type?: ?string) => Array<string>,
        has: (format: string, type?: ?string) => boolean,
        read: (format: string) => string,
        readBuffer: (format: string) => Buffer,
        writeBuffer: (format: string, buffer: Buffer, type?: ?string) => void,
        write: (
          data: {
            text?: ?string,
            html?: ?string,
            image?: ?NativeImage,
            rtf?: ?string,
            bookmark?: ?string,
          },
          type?: ?string,
        ) => void,
      },
      contentTracing: {
        getCategories: (callback: Function) => void,
        startRecording: (
          options: {
            categoryFilter: string,
            traceOptions: string,
          },
          callback: Function,
        ) => void,
        stopRecording: (resultFilePath: string, callback: Function) => void,
        startMonitoring: (
          options: {
            categoryFilter: string,
            traceOptions: string,
          },
          callback: Function,
        ) => void,
        stopMonitoring: (callback: Function) => void,
        captureMonitoringSnapshot: (
          resultFilePath: string,
          callback: Function,
        ) => void,
        getTraceBufferUsage: (callback: Function) => void,
      },
      crashReporter: {
        start: (options: {
          companyName?: ?string,
          submitURL: string,
          productName?: ?string,
          uploadToServer?: ?boolean,
          ignoreSystemCrashHandler?: ?boolean,
          extra?: ?{},
          crashesDirectory?: ?string,
        }) => void,
        getLastCrashReport: () => CrashReport,
        getUploadedReports: () => Array<CrashReport>,
        getUploadToServer: () => boolean,
        setUploadToServer: (uploadToServer: boolean) => void,
        addExtraParameter: (key: string, value: string) => void,
        removeExtraParameter: (key: string) => void,
        getParameters: () => void,
      },
      dialog: {
        showOpenDialog: ((
          browserWindow?: ?BrowserWindow,
          options: {
            title?: ?string,
            defaultPath?: ?string,
            buttonLabel?: ?string,
            filters?: ?Array<FileFilter>,
            properties?: ?Array<
              | 'openFile'
              | 'openDirectory'
              | 'multiSelections'
              | 'showHiddenFiles'
              | 'createDirectory'
              | 'promptToCreate'
              | 'noResolveAliases'
              | 'treatPackageAsDirectory',
              >,
            message?: ?string,
            securityScopedBookmarks?: ?boolean,
          },
          callback?: ?Function,
        ) => Array<string>) &
          ((
          options: {
            title?: ?string,
            defaultPath?: ?string,
            buttonLabel?: ?string,
            filters?: ?Array<FileFilter>,
            properties?: ?Array<
              | 'openFile'
              | 'openDirectory'
              | 'multiSelections'
              | 'showHiddenFiles'
              | 'createDirectory'
              | 'promptToCreate'
              | 'noResolveAliases'
              | 'treatPackageAsDirectory',
              >,
            message?: ?string,
            securityScopedBookmarks?: ?boolean,
          },
          callback?: ?Function,
        ) => Array<string>),
        showSaveDialog: ((
          browserWindow?: ?BrowserWindow,
          options: {
            title?: ?string,
            defaultPath?: ?string,
            buttonLabel?: ?string,
            filters?: ?Array<FileFilter>,
            message?: ?string,
            nameFieldLabel?: ?string,
            showsTagField?: ?boolean,
            securityScopedBookmarks?: ?boolean,
          },
          callback?: ?Function,
        ) => string) &
          ((
          options: {
            title?: ?string,
            defaultPath?: ?string,
            buttonLabel?: ?string,
            filters?: ?Array<FileFilter>,
            message?: ?string,
            nameFieldLabel?: ?string,
            showsTagField?: ?boolean,
            securityScopedBookmarks?: ?boolean,
          },
          callback?: ?Function,
        ) => string),
        showMessageBox: ((
          browserWindow?: ?BrowserWindow,
          options: {
            type?: ?string,
            buttons?: ?Array<string>,
            defaultId?: ?number,
            title?: ?string,
            message: string,
            detail?: ?string,
            checkboxLabel?: ?string,
            checkboxChecked?: ?boolean,
            icon?: ?NativeImage,
            cancelId?: ?number,
            noLink?: ?boolean,
            normalizeAccessKeys?: ?boolean,
          },
          callback?: ?Function,
        ) => number) &
          ((
          options: {
            type?: ?string,
            buttons?: ?Array<string>,
            defaultId?: ?number,
            title?: ?string,
            message: string,
            detail?: ?string,
            checkboxLabel?: ?string,
            checkboxChecked?: ?boolean,
            icon?: ?NativeImage,
            cancelId?: ?number,
            noLink?: ?boolean,
            normalizeAccessKeys?: ?boolean,
          },
          callback?: ?Function,
        ) => number),
        showErrorBox: (title: string, content: string) => void,
        showCertificateTrustDialog: ((
          browserWindow?: ?BrowserWindow,
          options: {
            certificate: Certificate,
            message: string,
          },
          callback: Function,
        ) => void) &
          ((
          options: {
            certificate: Certificate,
            message: string,
          },
          callback: Function,
        ) => void),
      },
      globalShortcut: {
        register: (accelerator: Accelerator, callback: Function) => void,
        isRegistered: (accelerator: Accelerator) => boolean,
        unregister: (accelerator: Accelerator) => void,
        unregisterAll: () => void,
      },
      inAppPurchase: {
        purchaseProduct: (
          productID: string,
          quantity?: ?number,
          callback?: ?Function,
        ) => void,
        canMakePayments: () => boolean,
        getReceiptURL: () => string,
        on: (
          eventName: 'transactions-updated',
          callback: (event: Event, transactions: Array<Transaction>) => void,
        ) => void,
        once: (
          eventName: 'transactions-updated',
          callback: (event: Event, transactions: Array<Transaction>) => void,
        ) => void,
      },
      ipcMain: {
        on: (channel: string, listener: Function) => void,
        once: (channel: string, listener: Function) => void,
        removeListener: (channel: string, listener: Function) => void,
        removeAllListeners: (channel: string) => void,
      },
      nativeImage: {
        createEmpty: () => NativeImage,
        createFromPath: (path: string) => NativeImage,
        createFromBuffer: (
          buffer: Buffer,
          options?: ?{
            width?: ?number,
            height?: ?number,
            scaleFactor?: ?number,
          },
        ) => NativeImage,
        createFromDataURL: (dataURL: string) => NativeImage,
        createFromNamedImage: (
          imageName: string,
          hslShift: Array<number>,
        ) => NativeImage,
      },
      net: {
        request: (options: Object | string) => ClientRequest,
      },
      powerMonitor: {
        on: ((eventName: 'suspend', callback: () => void) => void) &
          ((eventName: 'resume', callback: () => void) => void) &
          ((eventName: 'on-ac', callback: () => void) => void) &
          ((eventName: 'on-battery', callback: () => void) => void) &
          ((eventName: 'shutdown', callback: () => void) => void),
        once: ((eventName: 'suspend', callback: () => void) => void) &
          ((eventName: 'resume', callback: () => void) => void) &
          ((eventName: 'on-ac', callback: () => void) => void) &
          ((eventName: 'on-battery', callback: () => void) => void) &
          ((eventName: 'shutdown', callback: () => void) => void),
      },
      powerSaveBlocker: {
        start: (
          type: 'prevent-app-suspension' | 'prevent-display-sleep',
        ) => number,
        stop: (id: number) => void,
        isStarted: (id: number) => boolean,
      },
      process: {
        crash: () => void,
        getCPUUsage: () => CPUUsage,
        getIOCounters: () => IOCounters,
        getProcessMemoryInfo: () => {
          workingSetSize: number,
          peakWorkingSetSize: number,
          privateBytes: number,
          sharedBytes: number,
        },
        getSystemMemoryInfo: () => {
          total: number,
          free: number,
          swapTotal: number,
          swapFree: number,
        },
        hang: () => void,
        setFdLimit: (maxDescriptors: number) => void,
        on: (eventName: 'loaded', callback: () => void) => void,
        once: (eventName: 'loaded', callback: () => void) => void,
        defaultApp?: ?boolean,
        mas?: ?boolean,
        noAsar?: ?boolean,
        noDeprecation?: ?boolean,
        resourcesPath?: ?string,
        throwDeprecation?: ?boolean,
        traceDeprecation?: ?boolean,
        traceProcessWarnings?: ?boolean,
        type?: ?string,
        windowsStore?: ?boolean,
        versions: {
          chrome?: ?string,
          electron?: ?string,
        },
      },
      protocol: {
        registerStandardSchemes: (
          schemes: Array<string>,
          options?: ?{
            secure?: ?boolean,
          },
        ) => void,
        registerServiceWorkerSchemes: (schemes: Array<string>) => void,
        registerFileProtocol: (
          scheme: string,
          handler: Function,
          completion?: ?Function,
        ) => void,
        registerBufferProtocol: (
          scheme: string,
          handler: Function,
          completion?: ?Function,
        ) => void,
        registerStringProtocol: (
          scheme: string,
          handler: Function,
          completion?: ?Function,
        ) => void,
        registerHttpProtocol: (
          scheme: string,
          handler: Function,
          completion?: ?Function,
        ) => void,
        registerStreamProtocol: (
          scheme: string,
          handler: Function,
          completion?: ?Function,
        ) => void,
        unregisterProtocol: (scheme: string, completion?: ?Function) => void,
        isProtocolHandled: (scheme: string, callback: Function) => void,
        interceptFileProtocol: (
          scheme: string,
          handler: Function,
          completion?: ?Function,
        ) => void,
        interceptStringProtocol: (
          scheme: string,
          handler: Function,
          completion?: ?Function,
        ) => void,
        interceptBufferProtocol: (
          scheme: string,
          handler: Function,
          completion?: ?Function,
        ) => void,
        interceptHttpProtocol: (
          scheme: string,
          handler: Function,
          completion?: ?Function,
        ) => void,
        interceptStreamProtocol: (
          scheme: string,
          handler: Function,
          completion?: ?Function,
        ) => void,
        uninterceptProtocol: (scheme: string, completion?: ?Function) => void,
      },
      screen: {
        getCursorScreenPoint: () => Point,
        getMenuBarHeight: () => number,
        getPrimaryDisplay: () => Display,
        getAllDisplays: () => Array<Display>,
        getDisplayNearestPoint: (point: Point) => Display,
        getDisplayMatching: (rect: Rectangle) => Display,
        on: ((
          eventName: 'display-added',
          callback: (event: Event, newDisplay: Display) => void,
        ) => void) &
          ((
          eventName: 'display-removed',
          callback: (event: Event, oldDisplay: Display) => void,
        ) => void) &
          ((
          eventName: 'display-metrics-changed',
          callback: (
            event: Event,
            display: Display,
            changedMetrics: Array<string>,
          ) => void,
        ) => void),
        once: ((
          eventName: 'display-added',
          callback: (event: Event, newDisplay: Display) => void,
        ) => void) &
          ((
          eventName: 'display-removed',
          callback: (event: Event, oldDisplay: Display) => void,
        ) => void) &
          ((
          eventName: 'display-metrics-changed',
          callback: (
            event: Event,
            display: Display,
            changedMetrics: Array<string>,
          ) => void,
        ) => void),
      },
      session: {
        fromPartition: (
          partition: string,
          options?: ?{
            cache: boolean,
          },
        ) => Session,
        defaultSession?: ?Session,
      },
      shell: {
        showItemInFolder: (fullPath: string) => boolean,
        openItem: (fullPath: string) => boolean,
        openExternal: (
          url: string,
          options?: ?{
            activate: boolean,
          },
          callback?: ?Function,
        ) => boolean,
        moveItemToTrash: (fullPath: string) => boolean,
        beep: () => void,
        writeShortcutLink: (
          shortcutPath: string,
          operation?: ?'create' | 'update' | 'replace',
          options: ShortcutDetails,
        ) => boolean,
        readShortcutLink: (shortcutPath: string) => ShortcutDetails,
      },
      systemPreferences: {
        isDarkMode: () => boolean,
        isSwipeTrackingFromScrollEventsEnabled: () => boolean,
        postNotification: (event: string, userInfo: {}) => void,
        postLocalNotification: (event: string, userInfo: {}) => void,
        subscribeNotification: (event: string, callback: Function) => void,
        unsubscribeNotification: (id: number) => void,
        subscribeLocalNotification: (event: string, callback: Function) => void,
        unsubscribeLocalNotification: (id: number) => void,
        registerDefaults: (defaults: {}) => void,
        getUserDefault: (
          key: string,
          type:
            | 'string'
            | 'boolean'
            | 'integer'
            | 'float'
            | 'double'
            | 'url'
            | 'array'
            | 'dictionary',
        ) => any,
        setUserDefault: (key: string, type: string, value: string) => void,
        removeUserDefault: (key: string) => void,
        isAeroGlassEnabled: () => boolean,
        getAccentColor: () => string,
        getColor: (
          color:
            | '3d-dark-shadow'
            | '3d-face'
            | '3d-highlight'
            | '3d-light'
            | '3d-shadow'
            | 'active-border'
            | 'active-caption'
            | 'active-caption-gradient'
            | 'app-workspace'
            | 'button-text'
            | 'caption-text'
            | 'desktop'
            | 'disabled-text'
            | 'highlight'
            | 'highlight-text'
            | 'hotlight'
            | 'inactive-border'
            | 'inactive-caption'
            | 'inactive-caption-gradient'
            | 'inactive-caption-text'
            | 'info-background'
            | 'info-text'
            | 'menu'
            | 'menu-highlight'
            | 'menubar'
            | 'menu-text'
            | 'scrollbar'
            | 'window'
            | 'window-frame'
            | 'window-text',
        ) => string,
        isInvertedColorScheme: () => boolean,
        on: ((
          eventName: 'accent-color-changed',
          callback: (event: Event, newColor: string) => void,
        ) => void) &
          ((
          eventName: 'color-changed',
          callback: (event: Event) => void,
        ) => void) &
          ((
          eventName: 'inverted-color-scheme-changed',
          callback: (event: Event, invertedColorScheme: boolean) => void,
        ) => void),
        once: ((
          eventName: 'accent-color-changed',
          callback: (event: Event, newColor: string) => void,
        ) => void) &
          ((
          eventName: 'color-changed',
          callback: (event: Event) => void,
        ) => void) &
          ((
          eventName: 'inverted-color-scheme-changed',
          callback: (event: Event, invertedColorScheme: boolean) => void,
        ) => void),
      },
      webContents: {
        getAllWebContents: () => Array<WebContents>,
        getFocusedWebContents: () => WebContents,
        fromId: (id: number) => WebContents,
      },
      BrowserView: Class<BrowserView>,
      BrowserWindow: Class<BrowserWindow>,
      ClientRequest: Class<ClientRequest>,
      Cookies: Class<Cookies>,
      Debugger: Class<Debugger>,
      DownloadItem: Class<DownloadItem>,
      IncomingMessage: Class<IncomingMessage>,
      Menu: Class<Menu>,
      MenuItem: Class<MenuItem>,
      NativeImage: Class<NativeImage>,
      Notification: Class<Notification>,
      Session: Class<Session>,
      TouchBar: Class<TouchBar>,
      Tray: Class<Tray>,
      WebContents: Class<WebContents>,
      WebRequest: Class<WebRequest>,
    },
    screen: {
      getCursorScreenPoint: () => Point,
      getMenuBarHeight: () => number,
      getPrimaryDisplay: () => Display,
      getAllDisplays: () => Array<Display>,
      getDisplayNearestPoint: (point: Point) => Display,
      getDisplayMatching: (rect: Rectangle) => Display,
      on: ((
        eventName: 'display-added',
        callback: (event: Event, newDisplay: Display) => void,
      ) => void) &
        ((
        eventName: 'display-removed',
        callback: (event: Event, oldDisplay: Display) => void,
      ) => void) &
        ((
        eventName: 'display-metrics-changed',
        callback: (
          event: Event,
          display: Display,
          changedMetrics: Array<string>,
        ) => void,
      ) => void),
      once: ((
        eventName: 'display-added',
        callback: (event: Event, newDisplay: Display) => void,
      ) => void) &
        ((
        eventName: 'display-removed',
        callback: (event: Event, oldDisplay: Display) => void,
      ) => void) &
        ((
        eventName: 'display-metrics-changed',
        callback: (
          event: Event,
          display: Display,
          changedMetrics: Array<string>,
        ) => void,
      ) => void),
    },
    shell: {
      showItemInFolder: (fullPath: string) => boolean,
      openItem: (fullPath: string) => boolean,
      openExternal: (
        url: string,
        options?: ?{
          activate: boolean,
        },
        callback?: ?Function,
      ) => boolean,
      moveItemToTrash: (fullPath: string) => boolean,
      beep: () => void,
      writeShortcutLink: (
        shortcutPath: string,
        operation?: ?'create' | 'update' | 'replace',
        options: ShortcutDetails,
      ) => boolean,
      readShortcutLink: (shortcutPath: string) => ShortcutDetails,
    },
    webFrame: {
      setZoomFactor: (factor: number) => void,
      getZoomFactor: () => number,
      setZoomLevel: (level: number) => void,
      getZoomLevel: () => number,
      setVisualZoomLevelLimits: (
        minimumLevel: number,
        maximumLevel: number,
      ) => void,
      setLayoutZoomLevelLimits: (
        minimumLevel: number,
        maximumLevel: number,
      ) => void,
      setSpellCheckProvider: (
        language: string,
        autoCorrectWord: boolean,
        provider: {
          spellCheck: Function,
        },
      ) => void,
      registerURLSchemeAsSecure: (scheme: string) => void,
      registerURLSchemeAsBypassingCSP: (scheme: string) => void,
      registerURLSchemeAsPrivileged: (
        scheme: string,
        options?: ?{
          secure?: ?boolean,
          bypassCSP?: ?boolean,
          allowServiceWorkers?: ?boolean,
          supportFetchAPI?: ?boolean,
          corsEnabled?: ?boolean,
        },
      ) => void,
      insertText: (text: string) => void,
      executeJavaScript: (
        code: string,
        userGesture?: ?boolean,
        callback?: ?Function,
      ) => Promise<any>,
      executeJavaScriptInIsolatedWorld: (
        worldId: number,
        scripts: Array<WebSource>,
        userGesture?: ?boolean,
        callback?: ?Function,
      ) => void,
      setIsolatedWorldContentSecurityPolicy: (
        worldId: number,
        csp: string,
      ) => void,
      setIsolatedWorldHumanReadableName: (
        worldId: number,
        name: string,
      ) => void,
      setIsolatedWorldSecurityOrigin: (
        worldId: number,
        securityOrigin: string,
      ) => void,
      getResourceUsage: () => {
        images: MemoryUsageDetails,
        scripts: MemoryUsageDetails,
        cssStyleSheets: MemoryUsageDetails,
        xslStyleSheets: MemoryUsageDetails,
        fonts: MemoryUsageDetails,
        other: MemoryUsageDetails,
      },
      clearCache: () => void,
    },
    BrowserWindowProxy: Class<BrowserWindowProxy>,
    NativeImage: Class<NativeImage>,
  };
  declare type BluetoothDevice = {
    deviceName: string,
    deviceId: string,
  };
  declare type Certificate = {
    data: string,
    issuer: CertificatePrincipal,
    issuerName: string,
    issuerCert: Certificate,
    subject: CertificatePrincipal,
    subjectName: string,
    serialNumber: string,
    validStart: number,
    validExpiry: number,
    fingerprint: string,
  };
  declare type CertificatePrincipal = {
    commonName: string,
    organizations: Array<string>,
    organizationUnits: Array<string>,
    locality: string,
    state: string,
    country: string,
  };
  declare type Cookie = {
    name: string,
    value: string,
    domain?: ?string,
    hostOnly?: ?boolean,
    path?: ?string,
    secure?: ?boolean,
    httpOnly?: ?boolean,
    session?: ?boolean,
    expirationDate?: ?number,
  };
  declare type CPUUsage = {
    percentCPUUsage: number,
    idleWakeupsPerSecond: number,
  };
  declare type CrashReport = {
    date: Date,
    id: string,
  };
  declare type DesktopCapturerSource = {
    id: string,
    name: string,
    thumbnail: NativeImage,
  };
  declare type Display = {
    id: number,
    rotation: number,
    scaleFactor: number,
    touchSupport: 'available' | 'unavailable' | 'unknown',
    bounds: Rectangle,
    size: Size,
    workArea: Rectangle,
    workAreaSize: Size,
  };
  declare type FileFilter = {
    name: string,
    extensions: Array<string>,
  };
  declare type GPUFeatureStatus = {
    '2d_canvas': string,
    flash_3d: string,
    flash_stage3d: string,
    flash_stage3d_baseline: string,
    gpu_compositing: string,
    multiple_raster_threads: string,
    native_gpu_memory_buffers: string,
    rasterization: string,
    video_decode: string,
    video_encode: string,
    vpx_decode: string,
    webgl: string,
    webgl2: string,
  };
  declare type IOCounters = {
    readOperationCount: number,
    writeOperationCount: number,
    otherOperationCount: number,
    readTransferCount: number,
    writeTransferCount: number,
    otherTransferCount: number,
  };
  declare type JumpListCategory = {
    type?: ?'tasks' | 'frequent' | 'recent' | 'custom',
    name?: ?string,
    items?: ?Array<JumpListItem>,
  };
  declare type JumpListItem = {
    type?: ?'task' | 'separator' | 'file',
    path?: ?string,
    program?: ?string,
    args?: ?string,
    title?: ?string,
    description?: ?string,
    iconPath?: ?string,
    iconIndex?: ?number,
  };
  declare type MemoryInfo = {
    pid: number,
    workingSetSize: number,
    peakWorkingSetSize: number,
    privateBytes: number,
    sharedBytes: number,
  };
  declare type MemoryUsageDetails = {
    count: number,
    size: number,
    liveSize: number,
  };
  declare type MimeTypedBuffer = {
    mimeType: string,
    data: Buffer,
  };
  declare type NotificationAction = {
    type: 'button',
    text?: ?string,
  };
  declare type Point = {
    x: number,
    y: number,
  };
  declare type PrinterInfo = {
    name: string,
    description: string,
    status: number,
    isDefault: boolean,
  };
  declare type ProcessMetric = {
    pid: number,
    type: string,
    memory: MemoryInfo,
    cpu: CPUUsage,
  };
  declare type Rectangle = {
    x: number,
    y: number,
    width: number,
    height: number,
  };
  declare type RemoveClientCertificate = {
    type: string,
    origin: string,
  };
  declare type RemovePassword = {
    type: string,
    origin?: ?string,
    scheme?: ?'basic' | 'digest' | 'ntlm' | 'negotiate',
    realm?: ?string,
    username?: ?string,
    password?: ?string,
  };
  declare type ScrubberItem = {
    label?: ?string,
    icon?: ?NativeImage,
  };
  declare type SegmentedControlSegment = {
    label?: ?string,
    icon?: ?NativeImage,
    enabled?: ?boolean,
  };
  declare type ShortcutDetails = {
    target: string,
    cwd?: ?string,
    args?: ?string,
    description?: ?string,
    icon?: ?string,
    iconIndex?: ?number,
    appUserModelId?: ?string,
  };
  declare type Size = {
    width: number,
    height: number,
  };
  declare type StreamProtocolResponse = {
    statusCode: number,
    headers: {},
    data: ReadableStream,
  };
  declare type Task = {
    program: string,
    arguments: string,
    title: string,
    description: string,
    iconPath: string,
    iconIndex: number,
  };
  declare type ThumbarButton = {
    icon: NativeImage,
    click: Function,
    tooltip?: ?string,
    flags?: ?Array<string>,
  };
  declare type Transaction = {
    transactionIdentifier: string,
    transactionDate: string,
    originalTransactionIdentifier: string,
    transactionState: string,
    errorCode: number,
    errorMessage: string,
    payment: {
      productIdentifier: string,
      quantity: number,
    },
  };
  declare type UploadBlob = {
    type: string,
    blobUUID: string,
  };
  declare type UploadData = {
    bytes: Buffer,
    file: string,
    blobUUID: string,
  };
  declare type UploadFile = {
    type: string,
    filePath: string,
    offset: number,
    length: number,
    modificationTime: number,
  };
  declare type UploadFileSystem = {
    type: string,
    filsSystemURL: string,
    offset: number,
    length: number,
    modificationTime: number,
  };
  declare type UploadRawData = {
    type: string,
    bytes: Buffer,
  };
  declare type WebSource = {
    code: string,
    url?: ?string,
    startLine?: ?number,
  };
  declare class webviewTag extends HTMLElement {
    loadURL: (
      url: URL,
      options?: ?{
        httpReferrer?: ?string,
        userAgent?: ?string,
        extraHeaders?: ?string,
        postData?:
          | ?Array<UploadRawData>
          | Array<UploadFile>
          | Array<UploadFileSystem>
          | Array<UploadBlob>,
        baseURLForDataURL?: ?string,
      },
    ) => void;
    getURL: () => string;
    getTitle: () => string;
    isLoading: () => boolean;
    isWaitingForResponse: () => boolean;
    stop: () => void;
    reload: () => void;
    reloadIgnoringCache: () => void;
    canGoBack: () => boolean;
    canGoForward: () => boolean;
    canGoToOffset: (offset: number) => boolean;
    clearHistory: () => void;
    goBack: () => void;
    goForward: () => void;
    goToIndex: (index: number) => void;
    goToOffset: (offset: number) => void;
    isCrashed: () => boolean;
    setUserAgent: (userAgent: string) => void;
    getUserAgent: () => string;
    insertCSS: (css: string) => void;
    executeJavaScript: (
      code: string,
      userGesture?: ?boolean,
      callback?: ?Function,
    ) => void;
    openDevTools: () => void;
    closeDevTools: () => void;
    isDevToolsOpened: () => boolean;
    isDevToolsFocused: () => boolean;
    inspectElement: (x: number, y: number) => void;
    inspectServiceWorker: () => void;
    setAudioMuted: (muted: boolean) => void;
    isAudioMuted: () => boolean;
    undo: () => void;
    redo: () => void;
    cut: () => void;
    copy: () => void;
    paste: () => void;
    pasteAndMatchStyle: () => void;
    delete: () => void;
    selectAll: () => void;
    unselect: () => void;
    replace: (text: string) => void;
    replaceMisspelling: (text: string) => void;
    insertText: (text: string) => void;
    findInPage: (
      text: string,
      options?: ?{
        forward?: ?boolean,
        findNext?: ?boolean,
        matchCase?: ?boolean,
        wordStart?: ?boolean,
        medialCapitalAsWordStart?: ?boolean,
      },
    ) => number;
    stopFindInPage: (
      action: 'clearSelection' | 'keepSelection' | 'activateSelection',
    ) => void;
    print: (
      options?: ?{
        silent?: ?boolean,
        printBackground?: ?boolean,
        deviceName?: ?string,
      },
    ) => void;
    printToPDF: (
      options: {
        marginsType?: ?number,
        pageSize?: ?string,
        printBackground?: ?boolean,
        printSelectionOnly?: ?boolean,
        landscape?: ?boolean,
      },
      callback: Function,
    ) => void;
    capturePage: ((rect?: ?Rectangle, callback: Function) => void) &
      ((callback: Function) => void);
    send: (channel: string, ...args: Array<any>) => void;
    sendInputEvent: (event: {}) => void;
    setZoomFactor: (factor: number) => void;
    setZoomLevel: (level: number) => void;
    showDefinitionForSelection: () => void;
    getWebContents: () => WebContents;
    on: ((
      eventName: 'load-commit',
      callback: (url: string, isMainFrame: boolean) => void,
    ) => void) &
      ((eventName: 'did-finish-load', callback: () => void) => void) &
      ((
      eventName: 'did-fail-load',
      callback: (
        errorCode: number,
        errorDescription: string,
        validatedURL: string,
        isMainFrame: boolean,
      ) => void,
    ) => void) &
      ((
      eventName: 'did-frame-finish-load',
      callback: (isMainFrame: boolean) => void,
    ) => void) &
      ((eventName: 'did-start-loading', callback: () => void) => void) &
      ((eventName: 'did-stop-loading', callback: () => void) => void) &
      ((
      eventName: 'did-get-response-details',
      callback: (
        status: boolean,
        newURL: string,
        originalURL: string,
        httpResponseCode: number,
        requestMethod: string,
        referrer: string,
        headers: {},
        resourceType: string,
      ) => void,
    ) => void) &
      ((
      eventName: 'did-get-redirect-request',
      callback: (
        oldURL: string,
        newURL: string,
        isMainFrame: boolean,
      ) => void,
    ) => void) &
      ((eventName: 'dom-ready', callback: () => void) => void) &
      ((
      eventName: 'page-title-updated',
      callback: (title: string, explicitSet: boolean) => void,
    ) => void) &
      ((
      eventName: 'page-favicon-updated',
      callback: (favicons: Array<string>) => void,
    ) => void) &
      ((eventName: 'enter-html-full-screen', callback: () => void) => void) &
      ((eventName: 'leave-html-full-screen', callback: () => void) => void) &
      ((
      eventName: 'console-message',
      callback: (
        level: number,
        message: string,
        line: number,
        sourceId: string,
      ) => void,
    ) => void) &
      ((
      eventName: 'found-in-page',
      callback: (result: {
        requestId: number,
        activeMatchOrdinal: number,
        matches: number,
        selectionArea: {},
        finalUpdate: boolean,
      }) => void,
    ) => void) &
      ((
      eventName: 'new-window',
      callback: (
        url: string,
        frameName: string,
        disposition:
          | 'default'
          | 'foreground-tab'
          | 'background-tab'
          | 'new-window'
          | 'save-to-disk'
          | 'other',
        options: {},
      ) => void,
    ) => void) &
      ((eventName: 'will-navigate', callback: (url: string) => void) => void) &
      ((eventName: 'did-navigate', callback: (url: string) => void) => void) &
      ((
      eventName: 'did-navigate-in-page',
      callback: (isMainFrame: boolean, url: string) => void,
    ) => void) &
      ((eventName: 'close', callback: () => void) => void) &
      ((
      eventName: 'ipc-message',
      callback: (channel: string, args: Array<any>) => void,
    ) => void) &
      ((eventName: 'crashed', callback: () => void) => void) &
      ((eventName: 'gpu-crashed', callback: () => void) => void) &
      ((
      eventName: 'plugin-crashed',
      callback: (name: string, version: string) => void,
    ) => void) &
      ((eventName: 'destroyed', callback: () => void) => void) &
      ((eventName: 'media-started-playing', callback: () => void) => void) &
      ((eventName: 'media-paused', callback: () => void) => void) &
      ((
      eventName: 'did-change-theme-color',
      callback: (themeColor: string) => void,
    ) => void) &
      ((
      eventName: 'update-target-url',
      callback: (url: string) => void,
    ) => void) &
      ((eventName: 'devtools-opened', callback: () => void) => void) &
      ((eventName: 'devtools-closed', callback: () => void) => void) &
      ((eventName: 'devtools-focused', callback: () => void) => void);
    once: ((
      eventName: 'load-commit',
      callback: (url: string, isMainFrame: boolean) => void,
    ) => void) &
      ((eventName: 'did-finish-load', callback: () => void) => void) &
      ((
      eventName: 'did-fail-load',
      callback: (
        errorCode: number,
        errorDescription: string,
        validatedURL: string,
        isMainFrame: boolean,
      ) => void,
    ) => void) &
      ((
      eventName: 'did-frame-finish-load',
      callback: (isMainFrame: boolean) => void,
    ) => void) &
      ((eventName: 'did-start-loading', callback: () => void) => void) &
      ((eventName: 'did-stop-loading', callback: () => void) => void) &
      ((
      eventName: 'did-get-response-details',
      callback: (
        status: boolean,
        newURL: string,
        originalURL: string,
        httpResponseCode: number,
        requestMethod: string,
        referrer: string,
        headers: {},
        resourceType: string,
      ) => void,
    ) => void) &
      ((
      eventName: 'did-get-redirect-request',
      callback: (
        oldURL: string,
        newURL: string,
        isMainFrame: boolean,
      ) => void,
    ) => void) &
      ((eventName: 'dom-ready', callback: () => void) => void) &
      ((
      eventName: 'page-title-updated',
      callback: (title: string, explicitSet: boolean) => void,
    ) => void) &
      ((
      eventName: 'page-favicon-updated',
      callback: (favicons: Array<string>) => void,
    ) => void) &
      ((eventName: 'enter-html-full-screen', callback: () => void) => void) &
      ((eventName: 'leave-html-full-screen', callback: () => void) => void) &
      ((
      eventName: 'console-message',
      callback: (
        level: number,
        message: string,
        line: number,
        sourceId: string,
      ) => void,
    ) => void) &
      ((
      eventName: 'found-in-page',
      callback: (result: {
        requestId: number,
        activeMatchOrdinal: number,
        matches: number,
        selectionArea: {},
        finalUpdate: boolean,
      }) => void,
    ) => void) &
      ((
      eventName: 'new-window',
      callback: (
        url: string,
        frameName: string,
        disposition:
          | 'default'
          | 'foreground-tab'
          | 'background-tab'
          | 'new-window'
          | 'save-to-disk'
          | 'other',
        options: {},
      ) => void,
    ) => void) &
      ((eventName: 'will-navigate', callback: (url: string) => void) => void) &
      ((eventName: 'did-navigate', callback: (url: string) => void) => void) &
      ((
      eventName: 'did-navigate-in-page',
      callback: (isMainFrame: boolean, url: string) => void,
    ) => void) &
      ((eventName: 'close', callback: () => void) => void) &
      ((
      eventName: 'ipc-message',
      callback: (channel: string, args: Array<any>) => void,
    ) => void) &
      ((eventName: 'crashed', callback: () => void) => void) &
      ((eventName: 'gpu-crashed', callback: () => void) => void) &
      ((
      eventName: 'plugin-crashed',
      callback: (name: string, version: string) => void,
    ) => void) &
      ((eventName: 'destroyed', callback: () => void) => void) &
      ((eventName: 'media-started-playing', callback: () => void) => void) &
      ((eventName: 'media-paused', callback: () => void) => void) &
      ((
      eventName: 'did-change-theme-color',
      callback: (themeColor: string) => void,
    ) => void) &
      ((
      eventName: 'update-target-url',
      callback: (url: string) => void,
    ) => void) &
      ((eventName: 'devtools-opened', callback: () => void) => void) &
      ((eventName: 'devtools-closed', callback: () => void) => void) &
      ((eventName: 'devtools-focused', callback: () => void) => void);
  }
  declare class BrowserView {
    constructor(
      options?: ?{
        webPreferences?: ?{},
      },
    ): BrowserView;
    static getAllViews: () => Array<BrowserView>;
    static fromWebContents: (webContents: WebContents) => BrowserView | null;
    static fromId: (id: number) => BrowserView;
    destroy: () => void;
    isDestroyed: () => boolean;
    setAutoResize: (options: {
      width: boolean,
      height: boolean,
    }) => void;
    setBounds: (bounds: Rectangle) => void;
    setBackgroundColor: (color: string) => void;
    webContents: WebContents;
    id: number;
  }
  declare class BrowserWindow {
    constructor(
      options?: ?{
        width?: ?number,
        height?: ?number,
        x?: ?number,
        y?: ?number,
        useContentSize?: ?boolean,
        center?: ?boolean,
        minWidth?: ?number,
        minHeight?: ?number,
        maxWidth?: ?number,
        maxHeight?: ?number,
        resizable?: ?boolean,
        movable?: ?boolean,
        minimizable?: ?boolean,
        maximizable?: ?boolean,
        closable?: ?boolean,
        focusable?: ?boolean,
        alwaysOnTop?: ?boolean,
        fullscreen?: ?boolean,
        fullscreenable?: ?boolean,
        simpleFullscreen?: ?boolean,
        skipTaskbar?: ?boolean,
        kiosk?: ?boolean,
        title?: ?string,
        icon?: ?NativeImage | string,
        show?: ?boolean,
        frame?: ?boolean,
        parent?: ?BrowserWindow,
        modal?: ?boolean,
        acceptFirstMouse?: ?boolean,
        disableAutoHideCursor?: ?boolean,
        autoHideMenuBar?: ?boolean,
        enableLargerThanScreen?: ?boolean,
        backgroundColor?: ?string,
        hasShadow?: ?boolean,
        opacity?: ?number,
        darkTheme?: ?boolean,
        transparent?: ?boolean,
        type?: ?string,
        titleBarStyle?:
          | ?'default'
          | 'hidden'
          | 'hiddenInset'
          | 'customButtonsOnHover',
        fullscreenWindowTitle?: ?boolean,
        thickFrame?: ?boolean,
        vibrancy?:
          | ?'appearance-based'
          | 'light'
          | 'dark'
          | 'titlebar'
          | 'selection'
          | 'menu'
          | 'popover'
          | 'sidebar'
          | 'medium-light'
          | 'ultra-dark',
        zoomToPageWidth?: ?boolean,
        tabbingIdentifier?: ?string,
        webPreferences?: ?{
          devTools?: ?boolean,
          nodeIntegration?: ?boolean,
          nodeIntegrationInWorker?: ?boolean,
          preload?: ?string,
          sandbox?: ?boolean,
          session?: ?Session,
          partition?: ?string,
          affinity?: ?string,
          zoomFactor?: ?number,
          javascript?: ?boolean,
          webSecurity?: ?boolean,
          allowRunningInsecureContent?: ?boolean,
          images?: ?boolean,
          textAreasAreResizable?: ?boolean,
          webgl?: ?boolean,
          webaudio?: ?boolean,
          plugins?: ?boolean,
          experimentalFeatures?: ?boolean,
          experimentalCanvasFeatures?: ?boolean,
          scrollBounce?: ?boolean,
          blinkFeatures?: ?string,
          disableBlinkFeatures?: ?string,
          defaultFontFamily?: ?{
            standard?: ?string,
            serif?: ?string,
            sansSerif?: ?string,
            monospace?: ?string,
            cursive?: ?string,
            fantasy?: ?string,
          },
          defaultFontSize?: ?number,
          defaultMonospaceFontSize?: ?number,
          minimumFontSize?: ?number,
          defaultEncoding?: ?string,
          backgroundThrottling?: ?boolean,
          offscreen?: ?boolean,
          contextIsolation?: ?boolean,
          nativeWindowOpen?: ?boolean,
          webviewTag?: ?boolean,
          additionalArguments?: ?Array<string>,
        },
      },
    ): BrowserWindow;
    static getAllWindows: () => Array<BrowserWindow>;
    static getFocusedWindow: () => BrowserWindow;
    static fromWebContents: (webContents: WebContents) => BrowserWindow;
    static fromBrowserView: (browserView: BrowserView) => BrowserWindow | null;
    static fromId: (id: number) => BrowserWindow;
    static addExtension: (path: string) => void;
    static removeExtension: (name: string) => void;
    static getExtensions: () => {};
    static addDevToolsExtension: (path: string) => void;
    static removeDevToolsExtension: (name: string) => void;
    static getDevToolsExtensions: () => {};
    destroy: () => void;
    close: () => void;
    focus: () => void;
    blur: () => void;
    isFocused: () => boolean;
    isDestroyed: () => boolean;
    show: () => void;
    showInactive: () => void;
    hide: () => void;
    isVisible: () => boolean;
    isModal: () => boolean;
    maximize: () => void;
    unmaximize: () => void;
    isMaximized: () => boolean;
    minimize: () => void;
    restore: () => void;
    isMinimized: () => boolean;
    setFullScreen: (flag: boolean) => void;
    isFullScreen: () => boolean;
    setSimpleFullScreen: (flag: boolean) => void;
    isSimpleFullScreen: () => boolean;
    setAspectRatio: (aspectRatio: number, extraSize: Size) => void;
    previewFile: (path: string, displayName?: ?string) => void;
    closeFilePreview: () => void;
    setBounds: (bounds: Rectangle, animate?: ?boolean) => void;
    getBounds: () => Rectangle;
    setContentBounds: (bounds: Rectangle, animate?: ?boolean) => void;
    getContentBounds: () => Rectangle;
    setEnabled: (enable: boolean) => void;
    setSize: (width: number, height: number, animate?: ?boolean) => void;
    getSize: () => Array<number>;
    setContentSize: (width: number, height: number, animate?: ?boolean) => void;
    getContentSize: () => Array<number>;
    setMinimumSize: (width: number, height: number) => void;
    getMinimumSize: () => Array<number>;
    setMaximumSize: (width: number, height: number) => void;
    getMaximumSize: () => Array<number>;
    setResizable: (resizable: boolean) => void;
    isResizable: () => boolean;
    setMovable: (movable: boolean) => void;
    isMovable: () => boolean;
    setMinimizable: (minimizable: boolean) => void;
    isMinimizable: () => boolean;
    setMaximizable: (maximizable: boolean) => void;
    isMaximizable: () => boolean;
    setFullScreenable: (fullscreenable: boolean) => void;
    isFullScreenable: () => boolean;
    setClosable: (closable: boolean) => void;
    isClosable: () => boolean;
    setAlwaysOnTop: (
      flag: boolean,
      level?:
        | ?'normal'
        | 'floating'
        | 'torn-off-menu'
        | 'modal-panel'
        | 'main-menu'
        | 'status'
        | 'pop-up-menu'
        | 'screen-saver',
      relativeLevel?: ?number,
    ) => void;
    isAlwaysOnTop: () => boolean;
    center: () => void;
    setPosition: (x: number, y: number, animate?: ?boolean) => void;
    getPosition: () => Array<number>;
    setTitle: (title: string) => void;
    getTitle: () => string;
    setSheetOffset: (offsetY: number, offsetX?: ?number) => void;
    flashFrame: (flag: boolean) => void;
    setSkipTaskbar: (skip: boolean) => void;
    setKiosk: (flag: boolean) => void;
    isKiosk: () => boolean;
    getNativeWindowHandle: () => Buffer;
    hookWindowMessage: (message: number, callback: Function) => void;
    isWindowMessageHooked: (message: number) => boolean;
    unhookWindowMessage: (message: number) => void;
    unhookAllWindowMessages: () => void;
    setRepresentedFilename: (filename: string) => void;
    getRepresentedFilename: () => string;
    setDocumentEdited: (edited: boolean) => void;
    isDocumentEdited: () => boolean;
    focusOnWebView: () => void;
    blurWebView: () => void;
    capturePage: ((rect?: ?Rectangle, callback: Function) => void) &
      ((callback: Function) => void);
    loadURL: (
      url: string,
      options?: ?{
        httpReferrer?: ?string,
        userAgent?: ?string,
        extraHeaders?: ?string,
        postData?:
          | ?Array<UploadRawData>
          | Array<UploadFile>
          | Array<UploadFileSystem>
          | Array<UploadBlob>,
        baseURLForDataURL?: ?string,
      },
    ) => void;
    loadFile: (filePath: string) => void;
    reload: () => void;
    setMenu: (menu: Menu | null) => void;
    setProgressBar: (
      progress: number,
      options?: ?{
        mode: 'none' | 'normal' | 'indeterminate' | 'error' | 'paused',
      },
    ) => void;
    setOverlayIcon: (overlay: NativeImage | null, description: string) => void;
    setHasShadow: (hasShadow: boolean) => void;
    hasShadow: () => boolean;
    setOpacity: (opacity: number) => void;
    getOpacity: () => number;
    setThumbarButtons: (buttons: Array<ThumbarButton>) => boolean;
    setThumbnailClip: (region: Rectangle) => void;
    setThumbnailToolTip: (toolTip: string) => void;
    setAppDetails: (options: {
      appId?: ?string,
      appIconPath?: ?string,
      appIconIndex?: ?number,
      relaunchCommand?: ?string,
      relaunchDisplayName?: ?string,
    }) => void;
    showDefinitionForSelection: () => void;
    setIcon: (icon: NativeImage) => void;
    setAutoHideMenuBar: (hide: boolean) => void;
    isMenuBarAutoHide: () => boolean;
    setMenuBarVisibility: (visible: boolean) => void;
    isMenuBarVisible: () => boolean;
    setVisibleOnAllWorkspaces: (visible: boolean) => void;
    isVisibleOnAllWorkspaces: () => boolean;
    setIgnoreMouseEvents: (
      ignore: boolean,
      options?: ?{
        forward?: ?boolean,
      },
    ) => void;
    setContentProtection: (enable: boolean) => void;
    setFocusable: (focusable: boolean) => void;
    setParentWindow: (parent: BrowserWindow) => void;
    getParentWindow: () => BrowserWindow;
    getChildWindows: () => Array<BrowserWindow>;
    setAutoHideCursor: (autoHide: boolean) => void;
    selectPreviousTab: () => void;
    selectNextTab: () => void;
    mergeAllWindows: () => void;
    moveTabToNewWindow: () => void;
    toggleTabBar: () => void;
    addTabbedWindow: (browserWindow: BrowserWindow) => void;
    setVibrancy: (
      type:
        | 'appearance-based'
        | 'light'
        | 'dark'
        | 'titlebar'
        | 'selection'
        | 'menu'
        | 'popover'
        | 'sidebar'
        | 'medium-light'
        | 'ultra-dark',
    ) => void;
    setTouchBar: (touchBar: TouchBar) => void;
    setBrowserView: (browserView: BrowserView) => void;
    getBrowserView: () => BrowserView | null;
    webContents: WebContents;
    id: number;
    on: ((
      eventName: 'page-title-updated',
      callback: (event: Event, title: string) => void,
    ) => void) &
      ((eventName: 'close', callback: (event: Event) => void) => void) &
      ((eventName: 'closed', callback: () => void) => void) &
      ((eventName: 'session-end', callback: () => void) => void) &
      ((eventName: 'unresponsive', callback: () => void) => void) &
      ((eventName: 'responsive', callback: () => void) => void) &
      ((eventName: 'blur', callback: () => void) => void) &
      ((eventName: 'focus', callback: () => void) => void) &
      ((eventName: 'show', callback: () => void) => void) &
      ((eventName: 'hide', callback: () => void) => void) &
      ((eventName: 'ready-to-show', callback: () => void) => void) &
      ((eventName: 'maximize', callback: () => void) => void) &
      ((eventName: 'unmaximize', callback: () => void) => void) &
      ((eventName: 'minimize', callback: () => void) => void) &
      ((eventName: 'restore', callback: () => void) => void) &
      ((eventName: 'resize', callback: () => void) => void) &
      ((eventName: 'move', callback: () => void) => void) &
      ((eventName: 'moved', callback: () => void) => void) &
      ((eventName: 'enter-full-screen', callback: () => void) => void) &
      ((eventName: 'leave-full-screen', callback: () => void) => void) &
      ((eventName: 'enter-html-full-screen', callback: () => void) => void) &
      ((eventName: 'leave-html-full-screen', callback: () => void) => void) &
      ((
      eventName: 'app-command',
      callback: (event: Event, command: string) => void,
    ) => void) &
      ((eventName: 'scroll-touch-begin', callback: () => void) => void) &
      ((eventName: 'scroll-touch-end', callback: () => void) => void) &
      ((eventName: 'scroll-touch-edge', callback: () => void) => void) &
      ((
      eventName: 'swipe',
      callback: (event: Event, direction: string) => void,
    ) => void) &
      ((eventName: 'sheet-begin', callback: () => void) => void) &
      ((eventName: 'sheet-end', callback: () => void) => void) &
      ((eventName: 'new-window-for-tab', callback: () => void) => void);
    once: ((
      eventName: 'page-title-updated',
      callback: (event: Event, title: string) => void,
    ) => void) &
      ((eventName: 'close', callback: (event: Event) => void) => void) &
      ((eventName: 'closed', callback: () => void) => void) &
      ((eventName: 'session-end', callback: () => void) => void) &
      ((eventName: 'unresponsive', callback: () => void) => void) &
      ((eventName: 'responsive', callback: () => void) => void) &
      ((eventName: 'blur', callback: () => void) => void) &
      ((eventName: 'focus', callback: () => void) => void) &
      ((eventName: 'show', callback: () => void) => void) &
      ((eventName: 'hide', callback: () => void) => void) &
      ((eventName: 'ready-to-show', callback: () => void) => void) &
      ((eventName: 'maximize', callback: () => void) => void) &
      ((eventName: 'unmaximize', callback: () => void) => void) &
      ((eventName: 'minimize', callback: () => void) => void) &
      ((eventName: 'restore', callback: () => void) => void) &
      ((eventName: 'resize', callback: () => void) => void) &
      ((eventName: 'move', callback: () => void) => void) &
      ((eventName: 'moved', callback: () => void) => void) &
      ((eventName: 'enter-full-screen', callback: () => void) => void) &
      ((eventName: 'leave-full-screen', callback: () => void) => void) &
      ((eventName: 'enter-html-full-screen', callback: () => void) => void) &
      ((eventName: 'leave-html-full-screen', callback: () => void) => void) &
      ((
      eventName: 'app-command',
      callback: (event: Event, command: string) => void,
    ) => void) &
      ((eventName: 'scroll-touch-begin', callback: () => void) => void) &
      ((eventName: 'scroll-touch-end', callback: () => void) => void) &
      ((eventName: 'scroll-touch-edge', callback: () => void) => void) &
      ((
      eventName: 'swipe',
      callback: (event: Event, direction: string) => void,
    ) => void) &
      ((eventName: 'sheet-begin', callback: () => void) => void) &
      ((eventName: 'sheet-end', callback: () => void) => void) &
      ((eventName: 'new-window-for-tab', callback: () => void) => void);
  }
  declare class BrowserWindowProxy {
    blur: () => void;
    close: () => void;
    eval: (code: string) => void;
    focus: () => void;
    print: () => void;
    postMessage: (message: string, targetOrigin: string) => void;
    closed: boolean;
  }
  declare class ClientRequest {
    constructor(options: Object | string): ClientRequest;
    setHeader: (name: string, value: {}) => void;
    getHeader: (
      name: string,
    ) => {
      name: string,
    };
    removeHeader: (name: string) => void;
    write: (
      chunk: string | Buffer,
      encoding?: ?string,
      callback?: ?Function,
    ) => void;
    end: ((
      chunk?: ?string | Buffer,
      encoding?: ?string,
      callback?: ?Function,
    ) => void) &
      (((encoding?: ?string, callback?: ?Function) => void) &
      ((callback?: ?Function) => void));
    abort: () => void;
    followRedirect: () => void;
    chunkedEncoding: boolean;
    on: ((
      eventName: 'response',
      callback: (response: IncomingMessage) => void,
    ) => void) &
      ((
      eventName: 'login',
      callback: (
        authInfo: {
          isProxy: boolean,
          scheme: string,
          host: string,
          port: number,
          realm: string,
        },
        callback: Function,
      ) => void,
    ) => void) &
      ((eventName: 'finish', callback: () => void) => void) &
      ((eventName: 'abort', callback: () => void) => void) &
      ((eventName: 'error', callback: (error: Error) => void) => void) &
      ((eventName: 'close', callback: () => void) => void) &
      ((
      eventName: 'redirect',
      callback: (
        statusCode: number,
        method: string,
        redirectUrl: string,
        responseHeaders: {},
      ) => void,
    ) => void);
    once: ((
      eventName: 'response',
      callback: (response: IncomingMessage) => void,
    ) => void) &
      ((
      eventName: 'login',
      callback: (
        authInfo: {
          isProxy: boolean,
          scheme: string,
          host: string,
          port: number,
          realm: string,
        },
        callback: Function,
      ) => void,
    ) => void) &
      ((eventName: 'finish', callback: () => void) => void) &
      ((eventName: 'abort', callback: () => void) => void) &
      ((eventName: 'error', callback: (error: Error) => void) => void) &
      ((eventName: 'close', callback: () => void) => void) &
      ((
      eventName: 'redirect',
      callback: (
        statusCode: number,
        method: string,
        redirectUrl: string,
        responseHeaders: {},
      ) => void,
    ) => void);
  }
  declare class Cookies {
    get: (
      filter: {
        url?: ?string,
        name?: ?string,
        domain?: ?string,
        path?: ?string,
        secure?: ?boolean,
        session?: ?boolean,
      },
      callback: Function,
    ) => void;
    set: (
      details: {
        url: string,
        name?: ?string,
        value?: ?string,
        domain?: ?string,
        path?: ?string,
        secure?: ?boolean,
        httpOnly?: ?boolean,
        expirationDate?: ?number,
      },
      callback: Function,
    ) => void;
    remove: (url: string, name: string, callback: Function) => void;
    flushStore: (callback: Function) => void;
    on: (
      eventName: 'changed',
      callback: (
        event: Event,
        cookie: Cookie,
        cause:
          | 'explicit'
          | 'overwrite'
          | 'expired'
          | 'evicted'
          | 'expired-overwrite',
        removed: boolean,
      ) => void,
    ) => void;
    once: (
      eventName: 'changed',
      callback: (
        event: Event,
        cookie: Cookie,
        cause:
          | 'explicit'
          | 'overwrite'
          | 'expired'
          | 'evicted'
          | 'expired-overwrite',
        removed: boolean,
      ) => void,
    ) => void;
  }
  declare class Debugger {
    attach: (protocolVersion?: ?string) => void;
    isAttached: () => boolean;
    detach: () => void;
    sendCommand: (
      method: string,
      commandParams?: ?{},
      callback?: ?Function,
    ) => void;
    on: ((
      eventName: 'detach',
      callback: (event: Event, reason: string) => void,
    ) => void) &
      ((
      eventName: 'message',
      callback: (event: Event, method: string, params: {}) => void,
    ) => void);
    once: ((
      eventName: 'detach',
      callback: (event: Event, reason: string) => void,
    ) => void) &
      ((
      eventName: 'message',
      callback: (event: Event, method: string, params: {}) => void,
    ) => void);
  }
  declare class DownloadItem {
    setSavePath: (path: string) => void;
    getSavePath: () => string;
    pause: () => void;
    isPaused: () => boolean;
    resume: () => void;
    canResume: () => boolean;
    cancel: () => void;
    getURL: () => string;
    getMimeType: () => string;
    hasUserGesture: () => boolean;
    getFilename: () => string;
    getTotalBytes: () => number;
    getReceivedBytes: () => number;
    getContentDisposition: () => string;
    getState: () => 'progressing' | 'completed' | 'cancelled' | 'interrupted';
    getURLChain: () => Array<string>;
    getLastModifiedTime: () => string;
    getETag: () => string;
    getStartTime: () => number;
    on: ((
      eventName: 'updated',
      callback: (event: Event, state: 'progressing' | 'interrupted') => void,
    ) => void) &
      ((
      eventName: 'done',
      callback: (
        event: Event,
        state: 'completed' | 'cancelled' | 'interrupted',
      ) => void,
    ) => void);
    once: ((
      eventName: 'updated',
      callback: (event: Event, state: 'progressing' | 'interrupted') => void,
    ) => void) &
      ((
      eventName: 'done',
      callback: (
        event: Event,
        state: 'completed' | 'cancelled' | 'interrupted',
      ) => void,
    ) => void);
  }
  declare class IncomingMessage {
    statusCode: number;
    statusMessage: string;
    headers: {};
    httpVersion: string;
    httpVersionMajor: number;
    httpVersionMinor: number;
    on: ((eventName: 'data', callback: (chunk: Buffer) => void) => void) &
      ((eventName: 'end', callback: () => void) => void) &
      ((eventName: 'aborted', callback: () => void) => void) &
      ((eventName: 'error', callback: () => void) => void);
    once: ((eventName: 'data', callback: (chunk: Buffer) => void) => void) &
      ((eventName: 'end', callback: () => void) => void) &
      ((eventName: 'aborted', callback: () => void) => void) &
      ((eventName: 'error', callback: () => void) => void);
  }
  declare class Menu {
    constructor(): Menu;
    static setApplicationMenu: (menu: Menu | null) => void;
    static getApplicationMenu: () => Menu | null;
    static sendActionToFirstResponder: (action: string) => void;
    static buildFromTemplate: (
      template: Array<MenuItemConstructorOptions>,
    ) => Menu;
    popup: (options: {
      window?: ?BrowserWindow,
      x?: ?number,
      y?: ?number,
      positioningItem?: ?number,
      callback?: ?Function,
    }) => void;
    closePopup: (browserWindow?: ?BrowserWindow) => void;
    append: (menuItem: MenuItem) => void;
    getMenuItemById: (id: string) => MenuItem;
    insert: (pos: number, menuItem: MenuItem) => void;
    items: Array<MenuItem>;
    on: ((
      eventName: 'menu-will-show',
      callback: (event: Event) => void,
    ) => void) &
      ((
      eventName: 'menu-will-close',
      callback: (event: Event) => void,
    ) => void);
    once: ((
      eventName: 'menu-will-show',
      callback: (event: Event) => void,
    ) => void) &
      ((
      eventName: 'menu-will-close',
      callback: (event: Event) => void,
    ) => void);
  }
  declare class MenuItem {
    constructor(options: {
      click?: ?Function,
      role?: ?string,
      type?: ?'normal' | 'separator' | 'submenu' | 'checkbox' | 'radio',
      label?: ?string,
      sublabel?: ?string,
      accelerator?: ?Accelerator,
      icon?: ?NativeImage | string,
      enabled?: ?boolean,
      visible?: ?boolean,
      checked?: ?boolean,
      submenu?: ?Array<MenuItemConstructorOptions> | Menu,
      id?: ?string,
      position?: ?string,
    }): MenuItem;
    enabled: boolean;
    visible: boolean;
    checked: boolean;
    label: string;
    click: Function;
  }
  declare class NativeImage {
    toPNG: (
      options?: ?{
        scaleFactor?: ?number,
      },
    ) => Buffer;
    toJPEG: (quality: number) => Buffer;
    toBitmap: (
      options?: ?{
        scaleFactor?: ?number,
      },
    ) => Buffer;
    toDataURL: (
      options?: ?{
        scaleFactor?: ?number,
      },
    ) => string;
    getBitmap: (
      options?: ?{
        scaleFactor?: ?number,
      },
    ) => Buffer;
    getNativeHandle: () => Buffer;
    isEmpty: () => boolean;
    getSize: () => Size;
    setTemplateImage: (option: boolean) => void;
    isTemplateImage: () => boolean;
    crop: (rect: Rectangle) => NativeImage;
    resize: (options: {
      width?: ?number,
      height?: ?number,
      quality?: ?string,
    }) => NativeImage;
    getAspectRatio: () => number;
    addRepresentation: (options: {
      scaleFactor: number,
      width?: ?number,
      height?: ?number,
      buffer?: ?Buffer,
      dataURL?: ?string,
    }) => void;
  }
  declare class Notification {
    constructor(options: {
      title: string,
      subtitle?: ?string,
      body: string,
      silent?: ?boolean,
      icon?: ?string | NativeImage,
      hasReply?: ?boolean,
      replyPlaceholder?: ?string,
      sound?: ?string,
      actions?: ?Array<NotificationAction>,
      closeButtonText?: ?string,
    }): Notification;
    static isSupported: () => boolean;
    show: () => void;
    close: () => void;
    on: ((eventName: 'show', callback: (event: Event) => void) => void) &
      ((eventName: 'click', callback: (event: Event) => void) => void) &
      ((eventName: 'close', callback: (event: Event) => void) => void) &
      ((
      eventName: 'reply',
      callback: (event: Event, reply: string) => void,
    ) => void) &
      ((
      eventName: 'action',
      callback: (event: Event, index: number) => void,
    ) => void);
    once: ((eventName: 'show', callback: (event: Event) => void) => void) &
      ((eventName: 'click', callback: (event: Event) => void) => void) &
      ((eventName: 'close', callback: (event: Event) => void) => void) &
      ((
      eventName: 'reply',
      callback: (event: Event, reply: string) => void,
    ) => void) &
      ((
      eventName: 'action',
      callback: (event: Event, index: number) => void,
    ) => void);
  }
  declare class Session {
    getCacheSize: (callback: Function) => void;
    clearCache: (callback: Function) => void;
    clearStorageData: ((
      options?: ?{
        origin?: ?string,
        storages?: ?Array<string>,
        quotas?: ?Array<string>,
      },
      callback?: ?Function,
    ) => void) &
      ((callback?: ?Function) => void);
    flushStorageData: () => void;
    setProxy: (
      config: {
        pacScript: string,
        proxyRules: string,
        proxyBypassRules: string,
      },
      callback: Function,
    ) => void;
    resolveProxy: (url: URL, callback: Function) => void;
    setDownloadPath: (path: string) => void;
    enableNetworkEmulation: (options: {
      offline?: ?boolean,
      latency?: ?number,
      downloadThroughput?: ?number,
      uploadThroughput?: ?number,
    }) => void;
    disableNetworkEmulation: () => void;
    setCertificateVerifyProc: (proc: Function) => void;
    setPermissionRequestHandler: (handler: Function | null) => void;
    clearHostResolverCache: (callback?: ?Function) => void;
    allowNTLMCredentialsForDomains: (domains: string) => void;
    setUserAgent: (userAgent: string, acceptLanguages?: ?string) => void;
    getUserAgent: () => string;
    getBlobData: (identifier: string, callback: Function) => void;
    createInterruptedDownload: (options: {
      path: string,
      urlChain: Array<string>,
      mimeType?: ?string,
      offset: number,
      length: number,
      lastModified: string,
      eTag: string,
      startTime?: ?number,
    }) => void;
    clearAuthCache: (
      options: RemovePassword | RemoveClientCertificate,
      callback?: ?Function,
    ) => void;
    setPreloads: (preloads: Array<string>) => void;
    getPreloads: () => Array<string>;
    cookies: Cookies;
    webRequest: WebRequest;
    protocol: Protocol;
    on: (
      eventName: 'will-download',
      callback: (
        event: Event,
        item: DownloadItem,
        webContents: WebContents,
      ) => void,
    ) => void;
    once: (
      eventName: 'will-download',
      callback: (
        event: Event,
        item: DownloadItem,
        webContents: WebContents,
      ) => void,
    ) => void;
  }
  declare class TouchBar {
    constructor(options: {
      items: Array<
        | TouchBarButton
        | TouchBarColorPicker
        | TouchBarGroup
        | TouchBarLabel
        | TouchBarPopover
        | TouchBarScrubber
        | TouchBarSegmentedControl
        | TouchBarSlider
        | TouchBarSpacer,
        >,
      escapeItem?:
        | ?TouchBarButton
        | TouchBarColorPicker
        | TouchBarGroup
        | TouchBarLabel
        | TouchBarPopover
        | TouchBarScrubber
        | TouchBarSegmentedControl
        | TouchBarSlider
        | TouchBarSpacer
        | null,
    }): TouchBar;
    static TouchBarButton: Class<TouchBarButton>;
    static TouchBarColorPicker: Class<TouchBarColorPicker>;
    static TouchBarGroup: Class<TouchBarGroup>;
    static TouchBarLabel: Class<TouchBarLabel>;
    static TouchBarPopover: Class<TouchBarPopover>;
    static TouchBarScrubber: Class<TouchBarScrubber>;
    static TouchBarSegmentedControl: Class<TouchBarSegmentedControl>;
    static TouchBarSlider: Class<TouchBarSlider>;
    static TouchBarSpacer: Class<TouchBarSpacer>;
    escapeItem: TouchBarItem;
  }
  declare class Tray {
    constructor(image: NativeImage | string): Tray;
    destroy: () => void;
    setImage: (image: NativeImage | string) => void;
    setPressedImage: (image: NativeImage | string) => void;
    setToolTip: (toolTip: string) => void;
    setTitle: (title: string) => void;
    setHighlightMode: (mode: 'selection' | 'always' | 'never') => void;
    displayBalloon: (options: {
      icon?: ?NativeImage | string,
      title: string,
      content: string,
    }) => void;
    popUpContextMenu: ((menu?: ?Menu, position?: ?Point) => void) &
      ((position?: ?Point) => void);
    setContextMenu: (menu: Menu | null) => void;
    getBounds: () => Rectangle;
    isDestroyed: () => boolean;
    on: ((
      eventName: 'click',
      callback: (event: Event, bounds: Rectangle, position: Point) => void,
    ) => void) &
      ((
      eventName: 'right-click',
      callback: (event: Event, bounds: Rectangle) => void,
    ) => void) &
      ((
      eventName: 'double-click',
      callback: (event: Event, bounds: Rectangle) => void,
    ) => void) &
      ((eventName: 'balloon-show', callback: () => void) => void) &
      ((eventName: 'balloon-click', callback: () => void) => void) &
      ((eventName: 'balloon-closed', callback: () => void) => void) &
      ((eventName: 'drop', callback: () => void) => void) &
      ((
      eventName: 'drop-files',
      callback: (event: Event, files: Array<string>) => void,
    ) => void) &
      ((
      eventName: 'drop-text',
      callback: (event: Event, text: string) => void,
    ) => void) &
      ((eventName: 'drag-enter', callback: () => void) => void) &
      ((eventName: 'drag-leave', callback: () => void) => void) &
      ((eventName: 'drag-end', callback: () => void) => void) &
      ((
      eventName: 'mouse-enter',
      callback: (event: Event, position: Point) => void,
    ) => void) &
      ((
      eventName: 'mouse-leave',
      callback: (event: Event, position: Point) => void,
    ) => void) &
      ((
      eventName: 'mouse-move',
      callback: (event: Event, position: Point) => void,
    ) => void);
    once: ((
      eventName: 'click',
      callback: (event: Event, bounds: Rectangle, position: Point) => void,
    ) => void) &
      ((
      eventName: 'right-click',
      callback: (event: Event, bounds: Rectangle) => void,
    ) => void) &
      ((
      eventName: 'double-click',
      callback: (event: Event, bounds: Rectangle) => void,
    ) => void) &
      ((eventName: 'balloon-show', callback: () => void) => void) &
      ((eventName: 'balloon-click', callback: () => void) => void) &
      ((eventName: 'balloon-closed', callback: () => void) => void) &
      ((eventName: 'drop', callback: () => void) => void) &
      ((
      eventName: 'drop-files',
      callback: (event: Event, files: Array<string>) => void,
    ) => void) &
      ((
      eventName: 'drop-text',
      callback: (event: Event, text: string) => void,
    ) => void) &
      ((eventName: 'drag-enter', callback: () => void) => void) &
      ((eventName: 'drag-leave', callback: () => void) => void) &
      ((eventName: 'drag-end', callback: () => void) => void) &
      ((
      eventName: 'mouse-enter',
      callback: (event: Event, position: Point) => void,
    ) => void) &
      ((
      eventName: 'mouse-leave',
      callback: (event: Event, position: Point) => void,
    ) => void) &
      ((
      eventName: 'mouse-move',
      callback: (event: Event, position: Point) => void,
    ) => void);
  }
  declare class WebContents {
    loadURL: (
      url: string,
      options?: ?{
        httpReferrer?: ?string,
        userAgent?: ?string,
        extraHeaders?: ?string,
        postData?:
          | ?Array<UploadRawData>
          | Array<UploadFile>
          | Array<UploadFileSystem>
          | Array<UploadBlob>,
        baseURLForDataURL?: ?string,
      },
    ) => void;
    loadFile: (filePath: string) => void;
    downloadURL: (url: string) => void;
    getURL: () => string;
    getTitle: () => string;
    isDestroyed: () => boolean;
    focus: () => void;
    isFocused: () => boolean;
    isLoading: () => boolean;
    isLoadingMainFrame: () => boolean;
    isWaitingForResponse: () => boolean;
    stop: () => void;
    reload: () => void;
    reloadIgnoringCache: () => void;
    canGoBack: () => boolean;
    canGoForward: () => boolean;
    canGoToOffset: (offset: number) => boolean;
    clearHistory: () => void;
    goBack: () => void;
    goForward: () => void;
    goToIndex: (index: number) => void;
    goToOffset: (offset: number) => void;
    isCrashed: () => boolean;
    setUserAgent: (userAgent: string) => void;
    getUserAgent: () => string;
    insertCSS: (css: string) => void;
    executeJavaScript: (
      code: string,
      userGesture?: ?boolean,
      callback?: ?Function,
    ) => Promise<any>;
    setIgnoreMenuShortcuts: (ignore: boolean) => void;
    setAudioMuted: (muted: boolean) => void;
    isAudioMuted: () => boolean;
    setZoomFactor: (factor: number) => void;
    getZoomFactor: (callback: Function) => void;
    setZoomLevel: (level: number) => void;
    getZoomLevel: (callback: Function) => void;
    setVisualZoomLevelLimits: (
      minimumLevel: number,
      maximumLevel: number,
    ) => void;
    setLayoutZoomLevelLimits: (
      minimumLevel: number,
      maximumLevel: number,
    ) => void;
    undo: () => void;
    redo: () => void;
    cut: () => void;
    copy: () => void;
    copyImageAt: (x: number, y: number) => void;
    paste: () => void;
    pasteAndMatchStyle: () => void;
    delete: () => void;
    selectAll: () => void;
    unselect: () => void;
    replace: (text: string) => void;
    replaceMisspelling: (text: string) => void;
    insertText: (text: string) => void;
    findInPage: (
      text: string,
      options?: ?{
        forward?: ?boolean,
        findNext?: ?boolean,
        matchCase?: ?boolean,
        wordStart?: ?boolean,
        medialCapitalAsWordStart?: ?boolean,
      },
    ) => number;
    stopFindInPage: (
      action: 'clearSelection' | 'keepSelection' | 'activateSelection',
    ) => void;
    capturePage: ((rect?: ?Rectangle, callback: Function) => void) &
      ((callback: Function) => void);
    hasServiceWorker: (callback: Function) => void;
    unregisterServiceWorker: (callback: Function) => void;
    getPrinters: () => Array<PrinterInfo>;
    print: ((
      options?: ?{
        silent?: ?boolean,
        printBackground?: ?boolean,
        deviceName?: ?string,
      },
      callback?: ?Function,
    ) => void) &
      ((callback?: ?Function) => void);
    printToPDF: (
      options: {
        marginsType?: ?number,
        pageSize?: ?string,
        printBackground?: ?boolean,
        printSelectionOnly?: ?boolean,
        landscape?: ?boolean,
      },
      callback: Function,
    ) => void;
    addWorkSpace: (path: string) => void;
    removeWorkSpace: (path: string) => void;
    setDevToolsWebContents: (devToolsWebContents: WebContents) => void;
    openDevTools: (
      options?: ?{
        mode: 'right' | 'bottom' | 'undocked' | 'detach',
      },
    ) => void;
    closeDevTools: () => void;
    isDevToolsOpened: () => boolean;
    isDevToolsFocused: () => boolean;
    toggleDevTools: () => void;
    inspectElement: (x: number, y: number) => void;
    inspectServiceWorker: () => void;
    send: (channel: string, ...args: Array<any>) => void;
    enableDeviceEmulation: (parameters: {
      screenPosition: 'desktop' | 'mobile',
      screenSize: Size,
      viewPosition: Point,
      deviceScaleFactor: number,
      viewSize: Size,
      scale: number,
    }) => void;
    disableDeviceEmulation: () => void;
    sendInputEvent: (event: {
      type:
        | 'mouseDown'
        | 'mouseUp'
        | 'mouseEnter'
        | 'mouseLeave'
        | 'contextMenu'
        | 'mouseWheel'
        | 'mouseMove'
        | 'keyDown'
        | 'keyUp'
        | 'char',
      modifiers: Array<string>,
    }) => void;
    beginFrameSubscription: ((
      onlyDirty?: ?boolean,
      callback: Function,
    ) => void) &
      ((callback: Function) => void);
    endFrameSubscription: () => void;
    startDrag: (item: {
      file: string,
      icon: NativeImage,
    }) => void;
    savePage: (
      fullPath: string,
      saveType: 'HTMLOnly' | 'HTMLComplete' | 'MHTML',
      callback: Function,
    ) => boolean;
    showDefinitionForSelection: () => void;
    setSize: (options: {
      enableAutoSize?: ?boolean,
      normal?: ?Size,
      min?: ?Size,
      max?: ?Size,
    }) => void;
    isOffscreen: () => boolean;
    startPainting: () => void;
    stopPainting: () => void;
    isPainting: () => boolean;
    setFrameRate: (fps: number) => void;
    getFrameRate: () => number;
    invalidate: () => void;
    getWebRTCIPHandlingPolicy: () => string;
    setWebRTCIPHandlingPolicy: (
      policy:
        | 'default'
        | 'default_public_interface_only'
        | 'default_public_and_private_interfaces'
        | 'disable_non_proxied_udp',
    ) => void;
    getOSProcessId: () => number;
    id: number;
    session: Session;
    hostWebContents: WebContents;
    devToolsWebContents: WebContents;
    debugger: Debugger;
    on: ((eventName: 'did-finish-load', callback: () => void) => void) &
      ((
      eventName: 'did-fail-load',
      callback: (
        event: Event,
        errorCode: number,
        errorDescription: string,
        validatedURL: string,
        isMainFrame: boolean,
      ) => void,
    ) => void) &
      ((
      eventName: 'did-frame-finish-load',
      callback: (event: Event, isMainFrame: boolean) => void,
    ) => void) &
      ((eventName: 'did-start-loading', callback: () => void) => void) &
      ((eventName: 'did-stop-loading', callback: () => void) => void) &
      ((
      eventName: 'did-get-response-details',
      callback: (
        event: Event,
        status: boolean,
        newURL: string,
        originalURL: string,
        httpResponseCode: number,
        requestMethod: string,
        referrer: string,
        headers: {},
        resourceType: string,
      ) => void,
    ) => void) &
      ((
      eventName: 'did-get-redirect-request',
      callback: (
        event: Event,
        oldURL: string,
        newURL: string,
        isMainFrame: boolean,
        httpResponseCode: number,
        requestMethod: string,
        referrer: string,
        headers: {},
      ) => void,
    ) => void) &
      ((eventName: 'dom-ready', callback: (event: Event) => void) => void) &
      ((
      eventName: 'page-favicon-updated',
      callback: (event: Event, favicons: Array<string>) => void,
    ) => void) &
      ((
      eventName: 'new-window',
      callback: (
        event: Event,
        url: string,
        frameName: string,
        disposition:
          | 'default'
          | 'foreground-tab'
          | 'background-tab'
          | 'new-window'
          | 'save-to-disk'
          | 'other',
        options: {},
        additionalFeatures: Array<string>,
      ) => void,
    ) => void) &
      ((
      eventName: 'will-navigate',
      callback: (event: Event, url: string) => void,
    ) => void) &
      ((
      eventName: 'did-navigate',
      callback: (event: Event, url: string) => void,
    ) => void) &
      ((
      eventName: 'did-navigate-in-page',
      callback: (event: Event, url: string, isMainFrame: boolean) => void,
    ) => void) &
      ((
      eventName: 'will-prevent-unload',
      callback: (event: Event) => void,
    ) => void) &
      ((
      eventName: 'crashed',
      callback: (event: Event, killed: boolean) => void,
    ) => void) &
      ((
      eventName: 'plugin-crashed',
      callback: (event: Event, name: string, version: string) => void,
    ) => void) &
      ((eventName: 'destroyed', callback: () => void) => void) &
      ((
      eventName: 'before-input-event',
      callback: (
        event: Event,
        input: {
          type: string,
          key: string,
          code: string,
          isAutoRepeat: boolean,
          shift: boolean,
          control: boolean,
          alt: boolean,
          meta: boolean,
        },
      ) => void,
    ) => void) &
      ((eventName: 'devtools-opened', callback: () => void) => void) &
      ((eventName: 'devtools-closed', callback: () => void) => void) &
      ((eventName: 'devtools-focused', callback: () => void) => void) &
      ((
      eventName: 'certificate-error',
      callback: (
        event: Event,
        url: string,
        error: string,
        certificate: Certificate,
        callback: Function,
      ) => void,
    ) => void) &
      ((
      eventName: 'select-client-certificate',
      callback: (
        event: Event,
        url: URL,
        certificateList: Array<Certificate>,
        callback: Function,
      ) => void,
    ) => void) &
      ((
      eventName: 'login',
      callback: (
        event: Event,
        request: {
          method: string,
          url: URL,
          referrer: URL,
        },
        authInfo: {
          isProxy: boolean,
          scheme: string,
          host: string,
          port: number,
          realm: string,
        },
        callback: Function,
      ) => void,
    ) => void) &
      ((
      eventName: 'found-in-page',
      callback: (
        event: Event,
        result: {
          requestId: number,
          activeMatchOrdinal: number,
          matches: number,
          selectionArea: {},
          finalUpdate: boolean,
        },
      ) => void,
    ) => void) &
      ((eventName: 'media-started-playing', callback: () => void) => void) &
      ((eventName: 'media-paused', callback: () => void) => void) &
      ((
      eventName: 'did-change-theme-color',
      callback: (event: Event, color: string | null) => void,
    ) => void) &
      ((
      eventName: 'update-target-url',
      callback: (event: Event, url: string) => void,
    ) => void) &
      ((
      eventName: 'cursor-changed',
      callback: (
        event: Event,
        type: string,
        image?: ?NativeImage,
        scale?: ?number,
        size?: ?Size,
        hotspot?: ?Point,
      ) => void,
    ) => void) &
      ((
      eventName: 'context-menu',
      callback: (
        event: Event,
        params: {
          x: number,
          y: number,
          linkURL: string,
          linkText: string,
          pageURL: string,
          frameURL: string,
          srcURL: string,
          mediaType:
            | 'none'
            | 'image'
            | 'audio'
            | 'video'
            | 'canvas'
            | 'file'
            | 'plugin',
          hasImageContents: boolean,
          isEditable: boolean,
          selectionText: string,
          titleText: string,
          misspelledWord: string,
          frameCharset: string,
          inputFieldType: string,
          menuSourceType:
            | 'none'
            | 'mouse'
            | 'keyboard'
            | 'touch'
            | 'touchMenu',
          mediaFlags: {
            inError: boolean,
            isPaused: boolean,
            isMuted: boolean,
            hasAudio: boolean,
            isLooping: boolean,
            isControlsVisible: boolean,
            canToggleControls: boolean,
            canRotate: boolean,
          },
          editFlags: {
            canUndo: boolean,
            canRedo: boolean,
            canCut: boolean,
            canCopy: boolean,
            canPaste: boolean,
            canDelete: boolean,
            canSelectAll: boolean,
          },
        },
      ) => void,
    ) => void) &
      ((
      eventName: 'select-bluetooth-device',
      callback: (
        event: Event,
        devices: Array<BluetoothDevice>,
        callback: Function,
      ) => void,
    ) => void) &
      ((
      eventName: 'paint',
      callback: (
        event: Event,
        dirtyRect: Rectangle,
        image: NativeImage,
      ) => void,
    ) => void) &
      ((eventName: 'devtools-reload-page', callback: () => void) => void) &
      ((
      eventName: 'will-attach-webview',
      callback: (event: Event, webPreferences: {}, params: {}) => void,
    ) => void) &
      ((
      eventName: 'did-attach-webview',
      callback: (event: Event, webContents: WebContents) => void,
    ) => void) &
      ((
      eventName: 'console-message',
      callback: (
        level: number,
        message: string,
        line: number,
        sourceId: string,
      ) => void,
    ) => void);
    once: ((eventName: 'did-finish-load', callback: () => void) => void) &
      ((
      eventName: 'did-fail-load',
      callback: (
        event: Event,
        errorCode: number,
        errorDescription: string,
        validatedURL: string,
        isMainFrame: boolean,
      ) => void,
    ) => void) &
      ((
      eventName: 'did-frame-finish-load',
      callback: (event: Event, isMainFrame: boolean) => void,
    ) => void) &
      ((eventName: 'did-start-loading', callback: () => void) => void) &
      ((eventName: 'did-stop-loading', callback: () => void) => void) &
      ((
      eventName: 'did-get-response-details',
      callback: (
        event: Event,
        status: boolean,
        newURL: string,
        originalURL: string,
        httpResponseCode: number,
        requestMethod: string,
        referrer: string,
        headers: {},
        resourceType: string,
      ) => void,
    ) => void) &
      ((
      eventName: 'did-get-redirect-request',
      callback: (
        event: Event,
        oldURL: string,
        newURL: string,
        isMainFrame: boolean,
        httpResponseCode: number,
        requestMethod: string,
        referrer: string,
        headers: {},
      ) => void,
    ) => void) &
      ((eventName: 'dom-ready', callback: (event: Event) => void) => void) &
      ((
      eventName: 'page-favicon-updated',
      callback: (event: Event, favicons: Array<string>) => void,
    ) => void) &
      ((
      eventName: 'new-window',
      callback: (
        event: Event,
        url: string,
        frameName: string,
        disposition:
          | 'default'
          | 'foreground-tab'
          | 'background-tab'
          | 'new-window'
          | 'save-to-disk'
          | 'other',
        options: {},
        additionalFeatures: Array<string>,
      ) => void,
    ) => void) &
      ((
      eventName: 'will-navigate',
      callback: (event: Event, url: string) => void,
    ) => void) &
      ((
      eventName: 'did-navigate',
      callback: (event: Event, url: string) => void,
    ) => void) &
      ((
      eventName: 'did-navigate-in-page',
      callback: (event: Event, url: string, isMainFrame: boolean) => void,
    ) => void) &
      ((
      eventName: 'will-prevent-unload',
      callback: (event: Event) => void,
    ) => void) &
      ((
      eventName: 'crashed',
      callback: (event: Event, killed: boolean) => void,
    ) => void) &
      ((
      eventName: 'plugin-crashed',
      callback: (event: Event, name: string, version: string) => void,
    ) => void) &
      ((eventName: 'destroyed', callback: () => void) => void) &
      ((
      eventName: 'before-input-event',
      callback: (
        event: Event,
        input: {
          type: string,
          key: string,
          code: string,
          isAutoRepeat: boolean,
          shift: boolean,
          control: boolean,
          alt: boolean,
          meta: boolean,
        },
      ) => void,
    ) => void) &
      ((eventName: 'devtools-opened', callback: () => void) => void) &
      ((eventName: 'devtools-closed', callback: () => void) => void) &
      ((eventName: 'devtools-focused', callback: () => void) => void) &
      ((
      eventName: 'certificate-error',
      callback: (
        event: Event,
        url: string,
        error: string,
        certificate: Certificate,
        callback: Function,
      ) => void,
    ) => void) &
      ((
      eventName: 'select-client-certificate',
      callback: (
        event: Event,
        url: URL,
        certificateList: Array<Certificate>,
        callback: Function,
      ) => void,
    ) => void) &
      ((
      eventName: 'login',
      callback: (
        event: Event,
        request: {
          method: string,
          url: URL,
          referrer: URL,
        },
        authInfo: {
          isProxy: boolean,
          scheme: string,
          host: string,
          port: number,
          realm: string,
        },
        callback: Function,
      ) => void,
    ) => void) &
      ((
      eventName: 'found-in-page',
      callback: (
        event: Event,
        result: {
          requestId: number,
          activeMatchOrdinal: number,
          matches: number,
          selectionArea: {},
          finalUpdate: boolean,
        },
      ) => void,
    ) => void) &
      ((eventName: 'media-started-playing', callback: () => void) => void) &
      ((eventName: 'media-paused', callback: () => void) => void) &
      ((
      eventName: 'did-change-theme-color',
      callback: (event: Event, color: string | null) => void,
    ) => void) &
      ((
      eventName: 'update-target-url',
      callback: (event: Event, url: string) => void,
    ) => void) &
      ((
      eventName: 'cursor-changed',
      callback: (
        event: Event,
        type: string,
        image?: ?NativeImage,
        scale?: ?number,
        size?: ?Size,
        hotspot?: ?Point,
      ) => void,
    ) => void) &
      ((
      eventName: 'context-menu',
      callback: (
        event: Event,
        params: {
          x: number,
          y: number,
          linkURL: string,
          linkText: string,
          pageURL: string,
          frameURL: string,
          srcURL: string,
          mediaType:
            | 'none'
            | 'image'
            | 'audio'
            | 'video'
            | 'canvas'
            | 'file'
            | 'plugin',
          hasImageContents: boolean,
          isEditable: boolean,
          selectionText: string,
          titleText: string,
          misspelledWord: string,
          frameCharset: string,
          inputFieldType: string,
          menuSourceType:
            | 'none'
            | 'mouse'
            | 'keyboard'
            | 'touch'
            | 'touchMenu',
          mediaFlags: {
            inError: boolean,
            isPaused: boolean,
            isMuted: boolean,
            hasAudio: boolean,
            isLooping: boolean,
            isControlsVisible: boolean,
            canToggleControls: boolean,
            canRotate: boolean,
          },
          editFlags: {
            canUndo: boolean,
            canRedo: boolean,
            canCut: boolean,
            canCopy: boolean,
            canPaste: boolean,
            canDelete: boolean,
            canSelectAll: boolean,
          },
        },
      ) => void,
    ) => void) &
      ((
      eventName: 'select-bluetooth-device',
      callback: (
        event: Event,
        devices: Array<BluetoothDevice>,
        callback: Function,
      ) => void,
    ) => void) &
      ((
      eventName: 'paint',
      callback: (
        event: Event,
        dirtyRect: Rectangle,
        image: NativeImage,
      ) => void,
    ) => void) &
      ((eventName: 'devtools-reload-page', callback: () => void) => void) &
      ((
      eventName: 'will-attach-webview',
      callback: (event: Event, webPreferences: {}, params: {}) => void,
    ) => void) &
      ((
      eventName: 'did-attach-webview',
      callback: (event: Event, webContents: WebContents) => void,
    ) => void) &
      ((
      eventName: 'console-message',
      callback: (
        level: number,
        message: string,
        line: number,
        sourceId: string,
      ) => void,
    ) => void);
  }
  declare class WebRequest {
    onBeforeRequest: ((
      filter?: ?{
        urls: Array<string>,
      },
      listener: Function,
    ) => void) &
      ((listener: Function) => void);
    onBeforeSendHeaders: ((
      filter?: ?{
        urls: Array<string>,
      },
      listener: Function,
    ) => void) &
      ((listener: Function) => void);
    onSendHeaders: ((
      filter?: ?{
        urls: Array<string>,
      },
      listener: Function,
    ) => void) &
      ((listener: Function) => void);
    onHeadersReceived: ((
      filter?: ?{
        urls: Array<string>,
      },
      listener: Function,
    ) => void) &
      ((listener: Function) => void);
    onResponseStarted: ((
      filter?: ?{
        urls: Array<string>,
      },
      listener: Function,
    ) => void) &
      ((listener: Function) => void);
    onBeforeRedirect: ((
      filter?: ?{
        urls: Array<string>,
      },
      listener: Function,
    ) => void) &
      ((listener: Function) => void);
    onCompleted: ((
      filter?: ?{
        urls: Array<string>,
      },
      listener: Function,
    ) => void) &
      ((listener: Function) => void);
    onErrorOccurred: ((
      filter?: ?{
        urls: Array<string>,
      },
      listener: Function,
    ) => void) &
      ((listener: Function) => void);
  }
  declare class TouchBarButton {
    constructor(options: {
      label?: ?string,
      backgroundColor?: ?string,
      icon?: ?NativeImage,
      iconPosition?: ?'left' | 'right' | 'overlay',
      click?: ?Function,
    }): TouchBarButton;
    label: string;
    backgroundColor: string;
    icon: NativeImage;
  }
  declare class TouchBarColorPicker {
    constructor(options: {
      availableColors?: ?Array<string>,
      selectedColor?: ?string,
      change?: ?Function,
    }): TouchBarColorPicker;
    availableColors: Array<string>;
    selectedColor: string;
  }
  declare class TouchBarGroup {
    constructor(options: {
      items: TouchBar,
    }): TouchBarGroup;
  }
  declare class TouchBarLabel {
    constructor(options: {
      label?: ?string,
      textColor?: ?string,
    }): TouchBarLabel;
    label: string;
    textColor: string;
  }
  declare class TouchBarPopover {
    constructor(options: {
      label?: ?string,
      icon?: ?NativeImage,
      items?: ?TouchBar,
      showCloseButton?: ?boolean,
    }): TouchBarPopover;
    label: string;
    icon: NativeImage;
  }
  declare class TouchBarScrubber {
    constructor(options: {
      items: Array<ScrubberItem>,
      select: Function,
      highlight: Function,
      selectedStyle: string,
      overlayStyle: string,
      showArrowButtons: boolean,
      mode: string,
      continuous: boolean,
    }): TouchBarScrubber;
    items: Array<ScrubberItem>;
    selectedStyle: string;
    overlayStyle: string;
    showArrowButtons: boolean;
    mode: string;
    continuous: boolean;
  }
  declare class TouchBarSegmentedControl {
    constructor(options: {
      segmentStyle?:
        | ?'automatic'
        | 'rounded'
        | 'textured-rounded'
        | 'round-rect'
        | 'textured-square'
        | 'capsule'
        | 'small-square'
        | 'separated',
      mode?: ?'single' | 'multiple' | 'buttons',
      segments: Array<SegmentedControlSegment>,
      selectedIndex?: ?number,
      change: Function,
    }): TouchBarSegmentedControl;
    segmentStyle: string;
    segments: Array<SegmentedControlSegment>;
    selectedIndex: number;
  }
  declare class TouchBarSlider {
    constructor(options: {
      label?: ?string,
      value?: ?number,
      minValue?: ?number,
      maxValue?: ?number,
      change?: ?Function,
    }): TouchBarSlider;
    label: string;
    value: number;
    minValue: number;
    maxValue: number;
  }
  declare class TouchBarSpacer {
    constructor(options: {
      size?: ?'small' | 'large' | 'flexible',
    }): TouchBarSpacer;
  }
  declare type Accelerator = any;
  declare type ReadableStream = any;
  declare type MenuItemConstructorOptions = any;
  declare type Protocol = any;
  declare type TouchBarItem = any;
}