• AllGroupHeadsCollector
• AllGroupHeadsCollector.GroupHead
• AllGroupsCollector
• BlockGroupingCollector
• CollectedSearchGroup
• DistinctValuesCollector
• DistinctValuesCollector.GroupCount
• FirstPassGroupingCollector
• GroupDocs
• GroupFacetCollector
• GroupFacetCollector.FacetEntry
• GroupFacetCollector.GroupedFacetResult
• GroupFacetCollector.SegmentResult
• GroupingSearch
• GroupReducer
• GroupSelector
• GroupSelector.State
• SearchGroup
• SecondPassGroupingCollector
• TermGroupFacetCollector
• TermGroupSelector
• TopGroups
• TopGroups.ScoreMergeMode
• TopGroupsCollector
• ValueSourceGroupSelector