code: @Override
      public String getTopicSpace() throws JMSException {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.entry(this, tc, "getTopicSpace");
          String result = getDestName();
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.exit(this, tc, "getTopicSpace", result);
          return result;
      }
docs: Get the topicSpace.
  
  @return the topicSpace
  @see JmsDestinationImpl#getDestName