public ColumnInfo columnDescription() {
        return _columnDescription;
    }

    public ColumnInfo columnHandlerName() {
        return _columnHandlerName;
    }

    public ColumnInfo columnHandlerParameter() {
        return _columnHandlerParameter;
    }

    public ColumnInfo columnHandlerScript() {
        return _columnHandlerScript;
    }

    public ColumnInfo columnName() {