class BooleanColumn extends AbstractColumn<BooleanColumn, Boolean> implements BooleanFilterSpec<Selection>,
        BooleanMapUtils,
        CategoricalColumn<Boolean>,
        BooleanFillers<BooleanColumn>,
        BooleanFilters {

  @Override
  public int size() {
    return data.size();
  }

  private  BooleanColumn(String name, ByteArrayList values);

}