Language level migration.

Author: Martin Brecht-Precht

src/Block/BlockInterface.php

@@ -16,20 +16,20 @@
 interface BlockInterface extends NodeInterface
 {
 
-	const BLOCK_TYPE_CODE = BlockType::TYPE_CODE;
-	const BLOCK_TYPE_COMMENT = BlockType::TYPE_COMMENT;
-	const BLOCK_TYPE_DIVISION = BlockType::TYPE_DIVISION;
-	const BLOCK_TYPE_HEADING = BlockType::TYPE_HEADING;
-	const BLOCK_TYPE_UNORDERED_LIST = BlockType::TYPE_UNORDERED_LIST;
-	const BLOCK_TYPE_ORDERED_LIST = BlockType::TYPE_ORDERED_LIST;
-	const BLOCK_TYPE_LIST_ITEM = BlockType::TYPE_LIST_ITEM;
-	const BLOCK_TYPE_PARAGRAPH = BlockType::TYPE_PARAGRAPH;
-	const BLOCK_TYPE_QUOTE = BlockType::TYPE_QUOTE;
+	public const BLOCK_TYPE_CODE = BlockType::TYPE_CODE;
+	public const BLOCK_TYPE_COMMENT = BlockType::TYPE_COMMENT;
+	public const BLOCK_TYPE_DIVISION = BlockType::TYPE_DIVISION;
+	public const BLOCK_TYPE_HEADING = BlockType::TYPE_HEADING;
+	public const BLOCK_TYPE_UNORDERED_LIST = BlockType::TYPE_UNORDERED_LIST;
+	public const BLOCK_TYPE_ORDERED_LIST = BlockType::TYPE_ORDERED_LIST;
+	public const BLOCK_TYPE_LIST_ITEM = BlockType::TYPE_LIST_ITEM;
+	public const BLOCK_TYPE_PARAGRAPH = BlockType::TYPE_PARAGRAPH;
+	public const BLOCK_TYPE_QUOTE = BlockType::TYPE_QUOTE;
 
 	/**
 	 * @return string
 	 */
-	public function getBlockType();
+	public function getBlockType(): string;
 
 	/**
 	 * @param BlockParentInterface $blockParent
@@ -45,12 +45,12 @@ public function onDetach();
 	/**
 	 * @return BlockParentInterface
 	 */
-	public function getParent();
+	public function getParent(): BlockParentInterface;
 
 	/**
 	 * @param HandlerInterface $markdomHandler
 	 * @return void
 	 */
-	public function onHandle(HandlerInterface $markdomHandler);
+	public function onHandle(HandlerInterface $markdomHandler): void;
 
 }

src/Block/ListBlockInterface.php

@@ -10,18 +10,18 @@
 interface ListBlockInterface extends BlockInterface
 {
 
-	const LIST_BLOCK_TYPE_ORDERED_LIST = 'ORDERED_LIST';
-	const LIST_BLOCK_TYPE_UNORDERED_LIST = 'UNORDERED_LIST';
+	public const LIST_BLOCK_TYPE_ORDERED_LIST = 'ORDERED_LIST';
+	public const LIST_BLOCK_TYPE_UNORDERED_LIST = 'UNORDERED_LIST';
 
 	/**
 	 * @return string
 	 */
-	public function getListBlockType();
+	public function getListBlockType(): string;
 
 	/**
 	 * @return ListItemSequenceInterface
 	 */
-	public function getItems();
+	public function getItems(): ListItemSequenceInterface;
 
 	/**
 	 * @param ListItemInterface $listItem

src/Content/ContentInterface.php

@@ -17,27 +17,27 @@
 interface ContentInterface extends NodeInterface
 {
 
-	const CONTENT_TYPE_CODE = ContentType::TYPE_CODE;
-	const CONTENT_TYPE_EMPHASIS = ContentType::TYPE_EMPHASIS;
-	const CONTENT_TYPE_IMAGE = ContentType::TYPE_IMAGE;
-	const CONTENT_TYPE_LINE_BREAK = ContentType::TYPE_LINE_BREAK;
-	const CONTENT_TYPE_LINK = ContentType::TYPE_LINK;
-	const CONTENT_TYPE_TEXT = ContentType::TYPE_TEXT;
+	public const CONTENT_TYPE_CODE = ContentType::TYPE_CODE;
+	public const CONTENT_TYPE_EMPHASIS = ContentType::TYPE_EMPHASIS;
+	public const CONTENT_TYPE_IMAGE = ContentType::TYPE_IMAGE;
+	public const CONTENT_TYPE_LINE_BREAK = ContentType::TYPE_LINE_BREAK;
+	public const CONTENT_TYPE_LINK = ContentType::TYPE_LINK;
+	public const CONTENT_TYPE_TEXT = ContentType::TYPE_TEXT;
 
 	/**
 	 * @return string
 	 */
-	public function getContentType();
+	public function getContentType(): string;
 
 	/**
 	 * @return ContentParentInterface
 	 */
-	public function getParent();
+	public function getParent(): ContentParentInterface;
 
 	/**
 	 * @return BlockInterface
 	 */
-	public function getBlock();
+	public function getBlock(): BlockInterface;
 
 	/**
 	 * @param ContentParentInterface $contentParent

src/Content/LinkContentInterface.php

@@ -16,7 +16,7 @@ interface LinkContentInterface extends ContentParentContentInterface
 	 * @param string $uri
 	 * @param string $title
 	 */
-	public function __construct(string $uri, string $title);
+	public function __construct(string $uri, ?string $title = null);
 
 	/**
 	 * @return string
@@ -32,7 +32,7 @@ public function setUri(string $uri);
 	/**
 	 * @return string
 	 */
-	public function getTitle(): string;
+	public function getTitle(): ?string;
 
 	/**
 	 * @param string $title