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

- Packages that use Grouper
  Package | Description
  --- | ---
  org.apache.lucene.search.grouping.function | Support for grouping by `ValueSource`.
  org.apache.lucene.search.grouping.term | Support for grouping by indexed terms via `DocValues`.

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

    Subclasses of Grouper in org.apache.lucene.search.grouping.function
    Modifier and Type | Class and Description
    --- | ---
    `class` | `FunctionGrouper` Collector factory for grouping by ValueSource

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

    Subclasses of Grouper in org.apache.lucene.search.grouping.term
    Modifier and Type | Class and Description
    --- | ---
    `class` | `TermGrouper` Collector factory for grouping by term

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