Method: Tells the script loader to load the scripts and styles of custom blocks if the widgets block editor is enabled.

Method: Begins keeping track of the current sidebar being rendered.

Method: Finishes keeping track of the current sidebar being rendered.

Method: Filters sidebars_widgets to ensure the currently-rendered widget is the only widget in the current sidebar.

Method: Renders a specific widget using the supplied sidebar arguments.

Method: Filters arguments for dynamic widget partials.

Method: Adds hooks for selective refresh.

Method: Inject selective refresh data attributes into widget container elements.

Method: Ensures the HTML data-* attributes for selective refresh are allowed by kses.

Method: Determines if a widget supports selective refresh.

Method: List whether each registered widget can be use selective refresh.

Method: Retrieves the widget control markup parts.

Method: Determines whether the widgets panel is active, based on whether there are sidebars registered.

Method: Retrieves the option that was captured from being saved.

Method: Refreshes the nonce for widget updates.

Method: Retrieves the widget setting type given a setting ID.

Method: Inspects the incoming customized data for any widget settings, and dynamically adds them up-front so widgets will be initialized properly.

Method: Determines the arguments for a dynamically-created setting.

Method: Determine if a widget is rendered on the page.

Method: Determines if a sidebar is rendered on the page.

Method: Sanitizes a widget instance.

Method: Undoes any changes to the options since options capture began.

Method: Converts a widget instance into JSON-representable format.

Method: Strips out widget IDs for widgets which are no longer registered.

Method: Finds and invokes the widget update and control callbacks.

Method: Updates widget settings asynchronously.

Method: Determines whether the captured option update should be ignored.

Method: Communicates the sidebars that appeared on the page at the very end of the page, and at the very end of the wp_footer,

Method: Retrieves captured widget option updates.

Method: Tracks the widgets that were rendered.