https://lucene.apache.org/core/5_0_0/core/org/apache/lucene/codecs/NormsProducer.html
NormsProducer (Lucene 5.0.0 API)
luceneapi
https://lucene.apache.org/core/5_3_1/core/org/apache/lucene/codecs/NormsProducer.html
NormsProducer (Lucene 5.3.1 API)
luceneapi
https://lucene.apache.org/core/10_3_0/core/org/apache/lucene/codecs/NormsProducer.html
NormsProducer (Lucene 10.3.0 core API)
declaration: package: org.apache.lucene.codecs, class: NormsProducer
lucenecoreapi