code: public QueueModel updateAlerts(ArrayList<Alert> alerts) throws IOException {
          QueueModel payload = new QueueModel(alerts);
          return this.update(payload);
      }
docs: Replace current queue alerts with a given list of alerts. If there is no queue, an EmptyQueueException is thrown.
  @param alerts The array list of alerts.
  @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.