BlockJoinQuery, BlockJoinCollector, TermsFilter, \
HashSet, BooleanClause, Term, CharTermAttribute, \
PhraseQuery, StringReader, TermQuery, BlockJoinQuery, \
BlockJoinQuery, BlockJoinCollector, TermsFilter, \
HashSet, BooleanClause, Term, CharTermAttribute, \
PhraseQuery, StringReader, TermQuery, BlockJoinQuery, \