docs: public boolean isPubSub()
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.entry(tc, "isPubSub");
        
      boolean isPubSub = (getDestinationType() == DestinationType.TOPICSPACE);
      
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.exit(tc, "isPubSub", new Boolean(isPubSub));
  
      return isPubSub;
    }