protected void finish()
        {
            Debug.Assert(have_value);
            GuessedTracksListJSON result = new GuessedTracksListJSON();

            result.initValue();
            int count = value.Count;

            for (int num = 0; num < count; ++num)
            {
                result.appendValue(value[num]);
            }
            handle_result(result);
        }
 protected override void handle_result(GuessedTracksListJSON result)
 {
     top.value.Add(result);
 }
        protected override void handle_result(GuessedTracksListJSON result)
        {
//@@@            Debug.Assert(!have_value);
            have_value = true;
            value      = result;
        }
 protected abstract void handle_result(GuessedTracksListJSON new_result);