static void jumpNextGroup(boolean forward, JBList list) {
    final int index = list.getSelectedIndex();
    final RunAnythingSearchListModel model = getSearchingModel(list);
    if (model != null && index >= 0) {
      final int newIndex = forward ? model.next(index) : model.prev(index);
      list.setSelectedIndex(newIndex);
      int more = model.next(newIndex) - 1;
      if (more < newIndex) {
        more = list.getItemsCount() - 1;
      }
      ScrollingUtil.ensureIndexIsVisible(list, more, forward ? 1 : -1);
      ScrollingUtil.ensureIndexIsVisible(list, newIndex, forward ? 1 : -1);
    }
  }
static void jumpNextGroup(boolean forward, JBList list)