WP_Customize_Nav_Menus::save_nav_menus_created_posts

	 */
	public function customize_preview_init() {
		add_action( 'wp_enqueue_scripts', array( $this, 'customize_preview_enqueue_deps' ) );
		add_filter( 'wp_nav_menu_args', array( $this, 'filter_wp_nav_menu_args' ), 1000 );
		add_filter( 'wp_nav_menu', array( $this, 'filter_wp_nav_menu' ), 10, 2 );
		add_filter( 'wp_footer', array( $this, 'export_preview_data' ), 1 );
		add_filter( 'customize_render_partials_response', array( $this, 'export_partial_rendered_nav_menu_instances' ) );
	}

	/**
	 * Make the auto-draft status protected so that it can be queried.
	 *
	 * @since 4.7.0
	 *
	 * @global array $wp_post_statuses List of post statuses.
	 */
	public function make_auto_draft_status_previewable() {
		global $wp_post_statuses;
		$wp_post_statuses['auto-draft']->protected = true;
	}

	/**
	 * Sanitize post IDs for posts created for nav menu items to be published.
	 *
	 * @since 4.7.0
	 *
	 * @param array $value Post IDs.
	 * @return array Post IDs.