WP_REST_Menu_Items_Controller::prepare_items_query( array $prepared_args = array(), WP_REST_Request $request = null ): array

984	protected function prepare_items_query( $prepared_args = array(), $request = null ) {985		$query_args = parent::prepare_items_query( $prepared_args, $request );986 987		// Map to proper WP_Query orderby param.988		if ( isset( $query_args['orderby'], $request['orderby'] ) ) {989			$orderby_mappings = array(990				'id'            => 'ID',991				'include'       => 'post__in',992				'slug'          => 'post_name',993				'include_slugs' => 'post_name__in',994				'menu_order'    => 'menu_order',995			);996 997			if ( isset( $orderby_mappings[ $request['orderby'] ] ) ) {998				$query_args['orderby'] = $orderby_mappings[ $request['orderby'] ];999			}1000		}1001 1002		$query_args['update_menu_item_cache'] = true;1003 1004		return $query_args;1005	}