# 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 and 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 and Description
  SortedSetDocValuesReaderState Wraps a `IndexReader` and resolves ords using existing `SortedSetDocValues` APIs without a separate taxonomy index.
  SortedSetDocValuesReaderState.OrdRange Holds start/end range of ords, which maps to one dimension (someday we may generalize it to map to hierarchies within one dimension).

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