private static ColumnInfo getTitleColumnInfo() {
    return new ColumnInfo("TITLE") {
      @Override
      public @Nullable Object valueOf(Object o) {
        if (o instanceof SettingsTreeNode) {
          return ((SettingsTreeNode) o).getTitle();
        } else {
          return o.toString();
        }
      }

      @Override
      public Class<?> getColumnClass() {
        return TreeTableModel.class;
      }
    };
  }
private static ColumnInfo getTitleColumnInfo()