code: public QueueModel create(ArrayList<Subscriber> subscribersList, ArrayList<Alert> alertsList, String pushType, int retries, int retriesDelay) throws IOException {
          return create(subscribersList, alertsList, pushType, "", retries, retriesDelay);
      }
docs: Creates a queue for specified queue client.
  If queue exists, it will be updated.
  @param subscribersList The subscribers list.
  @param alertsList The alerts list.
  @param pushType The push type - multicast or unicast.
  @param retries The retries.
  @param retriesDelay The retries delay.
  @throws io.iron.ironmq.HTTPException If the IronMQ service returns a status other than 200 OK.
  @throws java.io.IOException If there is an error accessing the IronMQ server.