}

    public ColumnInfo columnOrder() {
        return _columnOrder;
    }

    public ColumnInfo columnQueryId() {
        return _columnQueryId;
    }

    public ColumnInfo columnQueryRequestedAt() {
        return _columnQueryRequestedAt;
    }

    public ColumnInfo columnRequestedAt() {
        return _columnRequestedAt;
    }

    public ColumnInfo columnUrl() {