/**
  * Captures the Bulk Edit parameters during "Upload New Media"
  *
  * @since 2.11
  *
  * @param	array	$request		bulk action request parameters, including ['mla_bulk_action_do_cleanup'].
  * @param	string	$bulk_action	the requested action.
  * @param	array	$custom_field_map	[ slug => field_name ]
  *
  * @return	array	updated bulk action request parameters
  */
 public static function mla_list_table_bulk_action_initial_request($request, $bulk_action, $custom_field_map)
 {
     /*
      * Check for Bulk Edit processing during Upload New Media
      */
     if (NULL == self::$upload_bulk_edit_args && 'edit' == $bulk_action && !empty($_REQUEST['mlaAddNewBulkEdit']['formString'])) {
         /*
          * Suppress WPML processing in wpml-media.class.php function save_attachment_actions,
          * which wipes out attachment meta data.
          */
         global $action;
         $action = 'upload-plugin';
         self::$upload_bulk_edit_args = $request;
         self::$upload_bulk_edit_map = $custom_field_map;
     }
     return $request;
 }