public ColumnInfo columnCreatedTime() {
        return _columnCreatedTime;
    }

    public ColumnInfo columnSuggestWord() {
        return _columnSuggestWord;
    }

    public ColumnInfo columnTargetLabel() {
        return _columnTargetLabel;
    }

    public ColumnInfo columnTargetRole() {
        return _columnTargetRole;
    }

    public ColumnInfo columnUpdatedBy() {