@Override
  public @Nullable Icon getIcon(final boolean expanded) {
    final PsiElement element = getPsiElement();
    if (element != null && element.isValid()) {
      return element.getIcon(Iconable.ICON_FLAG_VISIBILITY | Iconable.ICON_FLAG_READ_STATUS);
    }
    return null;
  }
@Override
  public @Nullable Icon getIcon(final boolean expanded)