## Uses of Class
org.apache.lucene.index.Impact

Packages that use Impact
org.apache.lucene.codecs: Codecs API: API for customization of the encoding and structure of the index.
org.apache.lucene.index: Code to maintain and access indices.

### Uses of Impact in org.apache.lucene.codecs

Methods in org.apache.lucene.codecs that return types with arguments of type Impact
`Collection<Impact>` CompetitiveImpactAccumulator.`getCompetitiveFreqNormPairs()` Get the set of competitive freq and norm pairs, ordered by increasing freq and norm.

### Uses of Impact in org.apache.lucene.index

Methods in org.apache.lucene.index that return types with arguments of type Impact
`abstract List<Impact>` Impacts.`getImpacts(int level)` Return impacts on the given level.