## Uses of Class
org.apache.lucene.search.grouping.AllGroupHeadsCollector.GroupHead

- Packages that use AllGroupHeadsCollector.GroupHead
  Package | Description
  --- | ---
  org.apache.lucene.search.grouping | Grouping.
  org.apache.lucene.search.grouping.function | Support for grouping by `ValueSource`.

- - ### Uses of AllGroupHeadsCollector.GroupHead in org.apache.lucene.search.grouping

    Fields in org.apache.lucene.search.grouping declared as AllGroupHeadsCollector.GroupHead
    Modifier and Type | Field and Description
    --- | ---
    `AllGroupHeadsCollector.GroupHead<T>` | AllGroupHeadsCollector.TemporalResult.`groupHead`

    Methods in org.apache.lucene.search.grouping that return types with arguments of type AllGroupHeadsCollector.GroupHead
    Modifier and Type | Method and Description
    --- | ---
    `protected abstract Collection<? extends AllGroupHeadsCollector.GroupHead<T>>` | AllGroupHeadsCollector.`getCollectedGroupHeads()` Returns the collected group heads.

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

    Subclasses of AllGroupHeadsCollector.GroupHead in org.apache.lucene.search.grouping.function
    Modifier and Type | Class and Description
    --- | ---
    `class` | `FunctionAllGroupHeadsCollector.FunctionGroupHead` Holds current head document for a single group.

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