com.liferay.portal.kernel.search
Interfaces 
BooleanClause
BooleanClauseOccur
BooleanQuery
BooleanQueryFactory
Document
Hits
Indexer
IndexSearcher
IndexWriter
OpenSearch
Query
SearchEngine
TermQuery
TermQueryFactory
Classes 
BooleanClauseOccurImpl
BooleanQueryFactoryUtil
DocumentComparator
DocumentComparatorOrderBy
DocumentImpl
DocumentSummary
Field
HitsImpl
SearchEngineUtil
Sort
TermQueryFactoryUtil
Exceptions 
ParseException
SearchException