- AllGroupHeadsCollector
- AllGroupHeadsCollector.GroupHead
- AllGroupsCollector
- BlockGroupingCollector
- CollectedSearchGroup
- DistinctValuesCollector
- DistinctValuesCollector.GroupCount
- DoubleRange
- DoubleRangeFactory
- DoubleRangeGroupSelector
- FirstPassGroupingCollector
- GroupDocs
- GroupFacetCollector
- GroupFacetCollector.FacetEntry
- GroupFacetCollector.GroupedFacetResult
- GroupFacetCollector.SegmentResult
- GroupingSearch
- GroupReducer
- GroupSelector
- GroupSelector.State
- LongRange
- LongRangeFactory
- LongRangeGroupSelector
- SearchGroup
- SecondPassGroupingCollector
- TermGroupFacetCollector
- TermGroupSelector
- TopGroups
- TopGroups.ScoreMergeMode
- TopGroupsCollector
- ValueSourceGroupSelector