docs: public void requestMsgs(int requestNumber, int receiveBytes, int requestedBytes)
     {
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.entry(this, tc, "requestMsgs",
                                             new Object[]
                                             {
                                                requestNumber,
                                                receiveBytes,
                                                requestedBytes
                                             });
  
        if (subConsumer != null)
        {
           subConsumer.requestMsgs(requestNumber, receiveBytes, requestedBytes);
        }
        else
        {
           super.requestMsgs(requestNumber, receiveBytes, requestedBytes);
        }
  
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.exit(this, tc, "requestMsgs");
     }