code: public void setIsInMatchSpace(boolean inMatchSpace)
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.entry(tc, "setIsInMatchSpace", Boolean.valueOf(inMatchSpace));
          isInMatchSpace = inMatchSpace;
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.exit(tc, "setIsInMatchSpace");
      }
docs: Updates to state that the subscription is in the MatchSpace.