docs: public void activateAsynchConsumer(boolean deliveryImmediately)
        throws SISessionUnavailableException, SISessionDroppedException,
               SIConnectionUnavailableException, SIConnectionDroppedException,
               SIResourceException, SIConnectionLostException,
               SIErrorException
     {
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.entry(this, tc, "activateAsynchConsumer", ""+deliveryImmediately);
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.exit(this, tc, "activateAsynchConsumer");
  
        // TODO Need to implement this method
        throw new SIErrorException(
           nls.getFormattedMessage("CLIENT_METHOD_INVALID_SICO1021", new Object[] { "activateAsynchConsumer" }, null)
        );
     }