https://lucene.apache.org/core/4_6_0/core/org/apache/lucene/index/DocsAndPositionsEnum.html
DocsAndPositionsEnum (Lucene 4.6.0 API)
luceneapi
https://lucene.apache.org/core/5_4_0/core/org/apache/lucene/index/DocsAndPositionsEnum.html
DocsAndPositionsEnum (Lucene 5.4.0 API)
luceneapi
https://lucene.apache.org/core/4_10_0/core/org/apache/lucene/index/DocsAndPositionsEnum.html
DocsAndPositionsEnum (Lucene 4.10.0 API)
luceneapi