docs: public boolean isSystem()
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) 
        SibTr.entry(tc, "isSystem");
      
      boolean isSystem = foreignDest.isSystem();
      
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) 
        SibTr.exit(tc, "isSystem", new Boolean(isSystem));
      
      return isSystem;
    }