code: final String getTopic()
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
      {
        SibTr.entry(tc, "getTopic");
        SibTr.exit(tc, "getTopic", _topic);
      }
  
      return _topic;
    }
docs: Returns the value of the topic.
  
  @return The topic.