docs: public void dereferenceControllable()
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.entry(tc, "dereferenceControllable", tsm);
      
      streamSet = null;
      tsm = null;
      
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.exit(tc, "dereferenceControllable"); 
    }