Docs: Correct and improve various documented types for properties, functions, and hooks.

See #57840

Built from https://develop.svn.wordpress.org/trunk@55693


git-svn-id: http://core.svn.wordpress.org/trunk@55205 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-block-template.php

@@ -84,7 +84,7 @@ class WP_Block_Template {
 	 * 'custom'.
 	 *
 	 * @since 5.9.0
-	 * @var string
+	 * @var string|null
 	 */
 	public $origin;
 
@@ -127,7 +127,7 @@ class WP_Block_Template {
 	 * A value of 0 means no author.
 	 *
 	 * @since 5.9.0
-	 * @var int
+	 * @var int|null
 	 */
 	public $author;
 
@@ -135,7 +135,7 @@ class WP_Block_Template {
 	 * Post types.
 	 *
 	 * @since 5.9.0
-	 * @var array
+	 * @var string[]|null
 	 */
 	public $post_types;
 
@@ -143,7 +143,7 @@ class WP_Block_Template {
 	 * Area.
 	 *
 	 * @since 5.9.0
-	 * @var string
+	 * @var string|null
 	 */
 	public $area;
 }