@Override
      protected void installSpeedSearch() {
        TreeSpeedSearch.installOn(this, false, path -> {
          final CheckedTreeNode node = (CheckedTreeNode)path.getLastPathComponent();
          final Object userObject = node.getUserObject();
          if (userObject instanceof FileType) {
            return ((FileType)userObject).getDescription();
          }
          return userObject.toString();
        });
      }
@Override
      protected void installSpeedSearch()