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

- Packages that use AbstractSecondPassGroupingCollector
  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 AbstractSecondPassGroupingCollector in org.apache.lucene.search.grouping.function

    Subclasses of AbstractSecondPassGroupingCollector in org.apache.lucene.search.grouping.function
    Modifier and Type | Class and Description
    --- | ---
    `class` | `FunctionSecondPassGroupingCollector` Concrete implementation of `AbstractSecondPassGroupingCollector` that groups based on `ValueSource` instances.

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

    Subclasses of AbstractSecondPassGroupingCollector in org.apache.lucene.search.grouping.term
    Modifier and Type | Class and Description
    --- | ---
    `class` | `TermSecondPassGroupingCollector` Concrete implementation of `AbstractSecondPassGroupingCollector` that groups based on field values and more specifically uses `SortedDocValues` to collect grouped docs.

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