## Uses of Class
org.apache.lucene.facet.search.CountingAggregator

- Packages that use CountingAggregator
  Package | Description
  --- | ---
  org.apache.lucene.facet.complements | Allows to cache the total counts of categories, so that during search which returns a large number of results (>60% of segment size), the complement set of matching documents is counted.

- - ### Uses of CountingAggregator in org.apache.lucene.facet.complements

    Subclasses of CountingAggregator in org.apache.lucene.facet.complements
    Modifier and Type | Class and Description
    --- | ---
    `class` | `ComplementCountingAggregator` A `CountingAggregator` used during complement counting.

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