# Uses of Package
org.apache.lucene.facet.sortedset

- Packages that use org.apache.lucene.facet.sortedset
  Package | Description
  --- | ---
  org.apache.lucene.facet | Faceted search.
  org.apache.lucene.facet.sortedset | Provides faceting capabilities over facets that were indexed with `SortedSetDocValuesFacetField`.

- Classes in org.apache.lucene.facet.sortedset used by org.apache.lucene.facet
  Class | Description
  --- | ---
  SortedSetDocValuesReaderState | Wraps a `IndexReader` and resolves ords using existing `SortedSetDocValues` APIs without a separate taxonomy index.

- Classes in org.apache.lucene.facet.sortedset used by org.apache.lucene.facet.sortedset
  Class | Description
  --- | ---
  SortedSetDocValuesReaderState | Wraps a `IndexReader` and resolves ords using existing `SortedSetDocValues` APIs without a separate taxonomy index.
  SortedSetDocValuesReaderState.DimTree | Holds children and sibling information for a single dimension.
  SortedSetDocValuesReaderState.OrdRange | Holds start/end range of ords, which maps to one dimension.