return UIManager.getLookAndFeelDefaults().getIcon("Tree.expandedIcon"); return UIManager.getLookAndFeelDefaults().getIcon("Tree.collapsedIcon");
return expandedIcon; return collapsedIcon;
  Icon getCurrentControlIcon(TreePath path)  {    if (tree.isExpanded(path))      return UIManager.getLookAndFeelDefaults().getIcon("Tree.expandedIcon");    return UIManager.getLookAndFeelDefaults().getIcon("Tree.collapsedIcon");  }