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

### Uses of SecondPassGroupingCollector in org.apache.lucene.search.grouping

Subclasses of SecondPassGroupingCollector in org.apache.lucene.search.grouping
`class` `DistinctValuesCollector<T,R>` A second pass grouping collector that keeps track of distinct values for a specified field for the top N group.
`class` `TopGroupsCollector<T>` A second-pass collector that collects the TopDocs for each group, and returns them as a `TopGroups` object