code: public synchronized boolean isQueueEmpty()
     {
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.entry(this, tc, "isQueueEmpty");
        boolean result = queue.isEmpty();
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.exit(this, tc, "isQueueEmpty", ""+result);
        return result;
     }
docs: @return Returns true if there is anything at all on the underlying queue.  Even an
  incomplete batch of messages.
  
  @see com.ibm.ws.sib.comms.client.proxyqueue.queue.Queue#isQueueEmpty()