CollectedSearchGroup (Lucene 9.0.0 grouping API)

java.lang.Object
- org.apache.lucene.search.grouping.SearchGroup<T>
- - org.apache.lucene.search.grouping.CollectedSearchGroup<T>

```
public class CollectedSearchGroup<T>
extends SearchGroup<T>
```
Expert: representation of a group in FirstPassGroupingCollector, tracking the top doc and FieldComparator slot.

NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

- Field Summary
  - Fields inherited from class org.apache.lucene.search.grouping.SearchGroup
    groupValue, sortValues
- Constructor Summary
  
  Constructors
  Constructor Description
  
  CollectedSearchGroup()
- Method Summary
  - Methods inherited from class org.apache.lucene.search.grouping.SearchGroup
    equals, hashCode, merge, toString
  - Methods inherited from class java.lang.Object
    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - CollectedSearchGroup
```
public CollectedSearchGroup()
```