docs: @Override
    final protected void addRange(int left, int right,
        ArrayList<MtasTreeHit<T>> list) {
      String key = left + "_" + right;
      if (index.containsKey(key)) {
        index.get(key).addList(list);
      } else {
        root = addRange(root, left, right, list);
        root.color = IntervalRBTreeNode.BLACK;
      }
    }