}

    public ColumnInfo columnDocId() {
        return _columnDocId;
    }

    public ColumnInfo columnOrder() {
        return _columnOrder;
    }

    public ColumnInfo columnQueryId() {
        return _columnQueryId;
    }

    public ColumnInfo columnQueryRequestedAt() {
        return _columnQueryRequestedAt;
    }

    public ColumnInfo columnRequestedAt() {

    public ColumnInfo columnHitCountRelation() {
        return _columnHitCountRelation;
    }

    public ColumnInfo columnLanguages() {
        return _columnLanguages;
    }

    public ColumnInfo columnQueryId() {
        return _columnQueryId;
    }

    public ColumnInfo columnQueryOffset() {
        return _columnQueryOffset;
    }

    public ColumnInfo columnQueryPageSize() {