code: public Token getMetaDataToken()
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
          {
              SibTr.entry(this, tc, "getMetaDataToken");
              SibTr.exit(this, tc, "getMetaDataToken", "return=" + _metaDataToken);
          }
          return _metaDataToken;
      }
docs: startup of the message store