code: @Override
      public MulticastProperties getMulticastProperties()
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.entry(tc, "getMulticastProperties");
  
          MulticastProperties props = _messageProcessor.getMulticastProperties();
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.exit(tc, "getMulticastProperties", props);
  
          return props;
      }
docs: Returns the MulticastProperties for this messaging engine
  null if multicast is not enabled.