class SortedAttributeMetadata extends AttributeMetadata<A, O> {

    @Override
    public Integer getCountOfDistinctKeys() {
        return super.getCountOfDistinctKeys();
    }

      SortedAttributeMetadata(SortedKeyStatisticsIndex<A, O> index, Supplier<QueryOptions> openResourcesHandler, Consumer<QueryOptions> closeResourcesHandler);

}