public static boolean isFnShowsAppControls() {
    //  PresentationModeFnModes =     {
    //    functionKeys = app;
    //  };
    final Path p = new Path();
    p.myPath.add(new Path.Node("persistentDomainForName:", ourTouchBarDomain));
    p.myPath.add(new Path.Node("objectForKey:", "PresentationModeFnModes"));

    final String sval = p.readStringVal("functionKeys");
    return sval != null && sval.equals("app");
  }
public static boolean isFnShowsAppControls()