## Hierarchy For Package org.apache.lucene.search.grouping

Package Hierarchies:
  All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.lucene.search.grouping.AbstractAllGroupHeadsCollector.GroupHead<GROUP_VALUE_TYPE>
  - org.apache.lucene.search.grouping.AbstractAllGroupHeadsCollector.TemporalResult
  - org.apache.lucene.search.grouping.AbstractDistinctValuesCollector.GroupCount<GROUP_VALUE_TYPE>
  - org.apache.lucene.search.grouping.AbstractGroupFacetCollector.FacetEntry
  - org.apache.lucene.search.grouping.AbstractGroupFacetCollector.GroupedFacetResult
  - org.apache.lucene.search.grouping.AbstractGroupFacetCollector.SegmentResult
  - org.apache.lucene.search.grouping.AbstractSecondPassGroupingCollector.SearchGroupDocs<GROUP_VALUE_TYPE>
  - org.apache.lucene.search.Collector
    - org.apache.lucene.search.grouping.AbstractAllGroupHeadsCollector<GH>
    - org.apache.lucene.search.grouping.AbstractAllGroupsCollector<GROUP_VALUE_TYPE>
    - org.apache.lucene.search.grouping.AbstractDistinctValuesCollector<GC>
    - org.apache.lucene.search.grouping.AbstractFirstPassGroupingCollector<GROUP_VALUE_TYPE>
    - org.apache.lucene.search.grouping.AbstractGroupFacetCollector
    - org.apache.lucene.search.grouping.AbstractSecondPassGroupingCollector<GROUP_VALUE_TYPE>
    - org.apache.lucene.search.grouping.BlockGroupingCollector
  - org.apache.lucene.search.grouping.GroupDocs<GROUP_VALUE_TYPE>
  - org.apache.lucene.search.grouping.GroupingSearch
  - org.apache.lucene.search.grouping.SearchGroup<GROUP_VALUE_TYPE>
    - org.apache.lucene.search.grouping.CollectedSearchGroup<T>
  - org.apache.lucene.search.grouping.TopGroups<GROUP_VALUE_TYPE>

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - org.apache.lucene.search.grouping.TopGroups.ScoreMergeMode

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