class SortedAttributeMetadata extends AttributeMetadata<A, O> {

    @Override
    public Stream<A> getDistinctKeys() {
        return super.getDistinctKeys();
    }

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

}