## Uses of Class
org.apache.lucene.search.grouping.AbstractDistinctValuesCollector

- Packages that use AbstractDistinctValuesCollector
  Package | Description
  --- | ---
  org.apache.lucene.search.grouping.function | Support for grouping by {org.apache.lucene.queries.function.ValueSource}.
  org.apache.lucene.search.grouping.term | Support for grouping by indexed terms via {org.apache.lucene.search.FieldCache}.

- - ### Uses of AbstractDistinctValuesCollector in org.apache.lucene.search.grouping.function

    Subclasses of AbstractDistinctValuesCollector in org.apache.lucene.search.grouping.function
    Modifier and Type | Class and Description
    --- | ---
    `class` | `FunctionDistinctValuesCollector` Function based implementation of `AbstractDistinctValuesCollector`.

  - ### Uses of AbstractDistinctValuesCollector in org.apache.lucene.search.grouping.term

    Subclasses of AbstractDistinctValuesCollector in org.apache.lucene.search.grouping.term
    Modifier and Type | Class and Description
    --- | ---
    `class` | `TermDistinctValuesCollector` A term based implementation of `AbstractDistinctValuesCollector` that relies on `SortedDocValues` to count the distinct values per group.

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