@Override
  public void dispose() {
    if (myEditor != null) {
      myEditor.putUserData(BREADCRUMBS_COMPONENT_KEY, null);
    }
    myEditor = null;
    breadcrumbs.setCrumbs(EMPTY_BREADCRUMBS);
    notifyListeners(EMPTY_BREADCRUMBS);
  }
@Override
  public void dispose()