public ColumnInfo columnCreatedBy() {
        return _columnCreatedBy;
    }

    public ColumnInfo columnCreatedTime() {
        return _columnCreatedTime;
    }

    public ColumnInfo columnExpiredTime() {
        return _columnExpiredTime;
    }

    public ColumnInfo columnName() {
        return _columnName;
    }

    public ColumnInfo columnParameterName() {