https://lucene.apache.org/core/7_0_0/core/org/apache/lucene/search/TermStatistics.html
TermStatistics (Lucene 7.0.0 API)
luceneapi
https://lucene.apache.org/core/4_5_0/core/org/apache/lucene/search/TermStatistics.html
TermStatistics (Lucene 4.5.0 API)
luceneapi
https://lucene.apache.org/core/7_2_0/core/org/apache/lucene/search/TermStatistics.html
TermStatistics (Lucene 7.2.0 API)
luceneapi