throw new Error("not implemented");
if (comp.visible && comp.isDisplayable () && comp.enabled) { if (comp.isFocusTraversableOverridden != 0 && comp.isFocusTraversable ()) return true; else { if (!(comp instanceof Canvas || comp instanceof Panel || comp instanceof Label || comp instanceof ScrollPane || comp instanceof Scrollbar || comp instanceof Window || comp.isLightweight ())) return true; } } return false;
  protected boolean accept(Component comp)  {    throw new Error("not implemented");  }