public ColumnInfo columnElevateWordId() {
        return _columnElevateWordId;
    }

    public ColumnInfo columnLabelTypeId() {
        return _columnLabelTypeId;
    }

    protected List<ColumnInfo> ccil() {
        List<ColumnInfo> ls = newArrayList();
        ls.add(columnElevateWordId());
        ls.add(columnLabelTypeId());
        return ls;
    }