code: @Override
      public void deregisterAsynchConsumerCallback()
                      throws SISessionUnavailableException, SISessionDroppedException,
                      SIErrorException,
                      SIIncorrectCallException
      {
          if (TraceComponent.isAnyTracingEnabled() && CoreSPIConsumerSession.tc.isEntryEnabled())
              SibTr.entry(CoreSPIConsumerSession.tc, "deregisterAsynchConsumerCallback", this);
          //Deregister the AsynchConsumer by registering null with the LCP
          //the other params don't matter
          registerAsynchConsumerCallback(null, 1, 0, 1, null);
          if (TraceComponent.isAnyTracingEnabled() && CoreSPIConsumerSession.tc.isEntryEnabled())
              SibTr.exit(CoreSPIConsumerSession.tc, "deregisterAsynchConsumerCallback");
      }
docs: /*
  (non-Javadoc)
  
  @see com.ibm.wsspi.sib.core.ConsumerSession#deregisterAsynchConsumerCallback()