code: public ControllableProxySubscription getMatchspaceSub()
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
      {
        SibTr.entry(tc, "getMatchspaceSub");
        SibTr.exit(tc, "getMatchspaceSub", _controllableProxySubscription);
      }
      return _controllableProxySubscription;
    }
docs: Gets the object that was stored in the Matchspace
  @return