/**
  * Simply returns an array indexed by Registration Status ID and the related message_type name associated with that status id.
  *
  * @deprecated 4.9.0  Use EEH_MSG_Template::reg_status_to_message_type_array()
  *                    or EEH_MSG_Template::convert_reg_status_to_message_type
  *
  * @param string $reg_status
  *
  * @return array
  */
 protected static function _get_reg_status_array($reg_status = '')
 {
     EE_Registry::instance()->load_helper('MSG_Template');
     return EEH_MSG_Template::convert_reg_status_to_message_type($reg_status) ? EEH_MSG_Template::convert_reg_status_to_message_type($reg_status) : EEH_MSG_Template::reg_status_to_message_type_array();
 }