docs: @Override
      public PubSubMessageItemStream getPublishPoint()
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
          {
              SibTr.entry(tc, "getPublishPoint");
          }
  
          PubSubMessageItemStream pubSubMessageItemStream =
                          _pubSubRealization.getPublishPoint();
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
          {
              SibTr.exit(tc, "getPublishPoint", pubSubMessageItemStream);
          }
          return pubSubMessageItemStream;
      }