public static boolean isWideSelection(@NotNull JTree tree) {
    TreeUI ui = tree.getUI();
    return ui instanceof WideSelectionTreeUI && ((WideSelectionTreeUI)ui).isWideSelection() ||
           ui != null && ui.getClass().getName().equals("com.intellij.ui.tree.ui.DefaultTreeUI");
  }
public static boolean isWideSelection(@NotNull JTree tree)