public ColumnInfo columnPermissions() {
        return _columnPermissions;
    }

    public ColumnInfo columnReading() {
        return _columnReading;
    }

    public ColumnInfo columnSuggestWord() {
        return _columnSuggestWord;
    }

    public ColumnInfo columnUpdatedBy() {
        return _columnUpdatedBy;
    }

    public ColumnInfo columnUpdatedTime() {

    public ColumnInfo columnCreatedBy() {
        return _columnCreatedBy;
    }

    public ColumnInfo columnCreatedTime() {
        return _columnCreatedTime;
    }

    public ColumnInfo columnSuggestWord() {
        return _columnSuggestWord;
    }

    public ColumnInfo columnTargetLabel() {
        return _columnTargetLabel;
    }

    public ColumnInfo columnTargetRole() {