private byte[] synchronousRequest(
      ConnectorSession session, ConnectorProducer producer, ConnectorMessage m)
      throws BCSAPIException {
    ConnectorTemporaryQueue answerQueue = null;
    try {
      answerQueue = session.createTemporaryQueue();
      m.setReplyTo(answerQueue);

      try (ConnectorConsumer consumer = session.createConsumer(answerQueue)) {
        producer.send(m);
        ConnectorMessage reply = consumer.receive(clientSettings.getTimeout());
        if (reply == null) {
          throw new BCSAPIException("timeout");
        }
        return reply.getPayload();
      }
    } catch (ConnectorException e) {
      throw new BCSAPIException(e);
    } finally {
      try {
        if (answerQueue != null) {
          answerQueue.delete();
        }
      } catch (ConnectorException e) {
      }
    }
  }
 public BCSAPIClient(ConnectorFactory connectionFactory) {
   this(connectionFactory, HyperLedgerSettings.getInstance());
 }