public DeliveryRunnable(MessageDelegate msg, Client callbackClient, int consumerID, boolean trace)
public DeliveryRunnable(MessageDelegate msg, int consumerID, ServerConnectionEndpoint connection, boolean trace)
   public DeliveryRunnable(MessageDelegate msg, Client callbackClient, int consumerID, boolean trace)   {      this.msg = msg;            this.callbackClient = callbackClient;            this.consumerID = consumerID;            this.trace = trace;   }