PullMessagesRequest(String nodeId, long txId, long checkChannelID, String queueName, int numMessages) { super(nodeId, txId, true, checkChannelID);  this.queueName = queueName;  this.numMessages = numMessages;
PullMessagesRequest() {
   PullMessagesRequest(String nodeId, long txId, long checkChannelID, String queueName, int numMessages)   {      super(nodeId, txId, true, checkChannelID);            this.queueName = queueName;            this.numMessages = numMessages;   }