code: public function queueList(RequestOptions\QueueListOptions $options, $messageOptions = [])
      {
          $msgName = 'Queue_List';
  
          return $this->callMessage($msgName, $options, $messageOptions);
      }
docs: Queue_List - get a list of all PNR's on a given queue
  
  https://webservices.amadeus.com/extranet/viewService.do?id=52&flavourId=1&menuId=functional
  
  @param RequestOptions\QueueListOptions $options
  @param array $messageOptions (OPTIONAL)
  @return Result
  @throws Client\InvalidMessageException
  @throws Client\RequestCreator\MessageVersionUnsupportedException
  @throws Exception