org.apache.lucene.search.spans
Classes 
FieldMaskingSpanQuery
NearSpansOrdered
NearSpansUnordered
SpanFirstQuery
SpanMultiTermQueryWrapper
SpanMultiTermQueryWrapper.SpanRewriteMethod
SpanMultiTermQueryWrapper.TopTermsSpanBooleanQueryRewrite
SpanNearPayloadCheckQuery
SpanNearQuery
SpanNotQuery
SpanOrQuery
SpanPayloadCheckQuery
SpanPositionCheckQuery
SpanPositionRangeQuery
SpanQuery
Spans
SpanScorer
SpanTermQuery
SpanWeight
TermSpans
Enums 
SpanPositionCheckQuery.AcceptStatus