docs: public void unsetAsynchConsumerCallback(int requestNumber, boolean stoppable)                        //SIB0115d.comms
     {
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.entry(this, tc, "unsetAsynchConsumerCallback", "requestNumber="+requestNumber+",stoppable="+stoppable);
  
        checkNotBrowserSession();                                   // F171893
  
        if (subConsumer != null)
        {
           subConsumer.unsetAsynchConsumerCallback(requestNumber, stoppable);                             //SIB0115d.comms
        }
  
        subConsumer = null;
  
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.exit(this, tc, "unsetAsynchConsumerCallback");
     }