diff -r c7c34916027a -r 177826044cd9 wp/wp-admin/js/widgets/media-gallery-widget.js
--- a/wp/wp-admin/js/widgets/media-gallery-widget.js	Mon Oct 14 18:06:33 2019 +0200
+++ b/wp/wp-admin/js/widgets/media-gallery-widget.js	Mon Oct 14 18:28:13 2019 +0200
@@ -1,3 +1,7 @@
+/**
+ * @output wp-admin/js/widgets/media-gallery-widget.js
+ */
+
 /* eslint consistent-this: [ "error", "control" ] */
 (function( component ) {
 	'use strict';
@@ -8,10 +12,10 @@
 	 * Custom gallery details frame.
 	 *
 	 * @since 4.9.0
-	 * @class GalleryDetailsMediaFrame
-	 * @constructor
+	 * @class    wp.mediaWidgets~GalleryDetailsMediaFrame
+	 * @augments wp.media.view.MediaFrame.Post
 	 */
-	GalleryDetailsMediaFrame = wp.media.view.MediaFrame.Post.extend( {
+	GalleryDetailsMediaFrame = wp.media.view.MediaFrame.Post.extend(/** @lends wp.mediaWidgets~GalleryDetailsMediaFrame.prototype */{
 
 		/**
 		 * Create the default states.
@@ -53,21 +57,13 @@
 	 * See WP_Widget_Gallery::enqueue_admin_scripts() for amending prototype from PHP exports.
 	 *
 	 * @since 4.9.0
-	 * @class GalleryWidgetModel
-	 * @constructor
+	 *
+	 * @class    wp.mediaWidgets.modelConstructors.media_gallery
+	 * @augments wp.mediaWidgets.MediaWidgetModel
 	 */
-	GalleryWidgetModel = component.MediaWidgetModel.extend( {} );
+	GalleryWidgetModel = component.MediaWidgetModel.extend(/** @lends wp.mediaWidgets.modelConstructors.media_gallery.prototype */{} );
 
-	/**
-	 * Gallery widget control.
-	 *
-	 * See WP_Widget_Gallery::enqueue_admin_scripts() for amending prototype from PHP exports.
-	 *
-	 * @since 4.9.0
-	 * @class GalleryWidgetControl
-	 * @constructor
-	 */
-	GalleryWidgetControl = component.MediaWidgetControl.extend( {
+	GalleryWidgetControl = component.MediaWidgetControl.extend(/** @lends wp.mediaWidgets.controlConstructors.media_gallery.prototype */{
 
 		/**
 		 * View events.
@@ -80,7 +76,12 @@
 		} ),
 
 		/**
-		 * Initialize.
+		 * Gallery widget control.
+		 *
+		 * See WP_Widget_Gallery::enqueue_admin_scripts() for amending prototype from PHP exports.
+		 *
+		 * @constructs wp.mediaWidgets.controlConstructors.media_gallery
+		 * @augments   wp.mediaWidgets.MediaWidgetControl
 		 *
 		 * @since 4.9.0
 		 * @param {Object}         options - Options.