@Override
  public void updateUI() {
    super.updateUI();
    setBorder(null);
    TreeCellRenderer tcr = super.getCellRenderer();
    if (tcr instanceof DefaultTreeCellRenderer dtcr) {
      dtcr.setTextSelectionColor(UIUtil.getTableSelectionForeground());
      dtcr.setBackgroundSelectionColor(UIUtil.getTableSelectionBackground(true));
    }
  }
@Override
  public void updateUI()