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## Hierarchy For All Packages

Package Hierarchies:
  org.apache.lucene, org.apache.lucene.analysis, org.apache.lucene.analysis.standard, org.apache.lucene.analysis.standard.std31, org.apache.lucene.analysis.standard.std34, org.apache.lucene.analysis.tokenattributes, org.apache.lucene.collation, org.apache.lucene.document, org.apache.lucene.index, org.apache.lucene.queryParser, org.apache.lucene.search, org.apache.lucene.search.function, org.apache.lucene.search.payloads, org.apache.lucene.search.spans, org.apache.lucene.store, org.apache.lucene.util, org.apache.lucene.util.fst, org.apache.lucene.util.packed

## Class Hierarchy

- java.lang.Object
  - org.apache.lucene.index.AbstractAllTermDocs (implements org.apache.lucene.index.TermDocs)
  - java.util.AbstractCollection<E> (implements java.util.Collection<E>)
    - java.util.AbstractSet<E> (implements java.util.Set<E>)
      - org.apache.lucene.analysis.CharArrayMap.EntrySet
      - org.apache.lucene.analysis.CharArraySet
      - org.apache.lucene.util.MapBackedSet<E> (implements java.io.Serializable)
  - org.apache.lucene.document.AbstractField (implements org.apache.lucene.document.Fieldable)
    - org.apache.lucene.document.Field (implements org.apache.lucene.document.Fieldable, java.io.Serializable)
    - org.apache.lucene.document.NumericField
  - java.util.AbstractMap<K,V> (implements java.util.Map<K,V>)
    - org.apache.lucene.analysis.CharArrayMap<V>
  - org.apache.lucene.analysis.Analyzer (implements java.io.Closeable)
    - org.apache.lucene.collation.CollationKeyAnalyzer
    - org.apache.lucene.analysis.LimitTokenCountAnalyzer
    - org.apache.lucene.analysis.PerFieldAnalyzerWrapper
    - org.apache.lucene.analysis.ReusableAnalyzerBase
      - org.apache.lucene.analysis.KeywordAnalyzer
      - org.apache.lucene.analysis.SimpleAnalyzer
      - org.apache.lucene.analysis.StopwordAnalyzerBase
        - org.apache.lucene.analysis.standard.ClassicAnalyzer
        - org.apache.lucene.analysis.standard.StandardAnalyzer
        - org.apache.lucene.analysis.StopAnalyzer
        - org.apache.lucene.analysis.standard.UAX29URLEmailAnalyzer
      - org.apache.lucene.analysis.WhitespaceAnalyzer
  - org.apache.lucene.util.ArrayUtil
  - org.apache.lucene.util.AttributeImpl (implements org.apache.lucene.util.Attribute, java.lang.Cloneable, java.io.Serializable)
    - org.apache.lucene.analysis.tokenattributes.CharTermAttributeImpl (implements org.apache.lucene.analysis.tokenattributes.CharTermAttribute, java.lang.Cloneable, java.io.Serializable, org.apache.lucene.analysis.tokenattributes.TermAttribute)
      - org.apache.lucene.analysis.tokenattributes.TermAttributeImpl
        - org.apache.lucene.analysis.Token (implements org.apache.lucene.analysis.tokenattributes.FlagsAttribute, org.apache.lucene.analysis.tokenattributes.OffsetAttribute, org.apache.lucene.analysis.tokenattributes.PayloadAttribute, org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute, org.apache.lucene.analysis.tokenattributes.PositionLengthAttribute, org.apache.lucene.analysis.tokenattributes.TypeAttribute)
    - org.apache.lucene.analysis.tokenattributes.FlagsAttributeImpl (implements java.lang.Cloneable, org.apache.lucene.analysis.tokenattributes.FlagsAttribute, java.io.Serializable)
    - org.apache.lucene.analysis.tokenattributes.KeywordAttributeImpl (implements org.apache.lucene.analysis.tokenattributes.KeywordAttribute)
    - org.apache.lucene.analysis.tokenattributes.OffsetAttributeImpl (implements java.lang.Cloneable, org.apache.lucene.analysis.tokenattributes.OffsetAttribute, java.io.Serializable)
    - org.apache.lucene.analysis.tokenattributes.PayloadAttributeImpl (implements java.lang.Cloneable, org.apache.lucene.analysis.tokenattributes.PayloadAttribute, java.io.Serializable)
    - org.apache.lucene.analysis.tokenattributes.PositionIncrementAttributeImpl (implements java.lang.Cloneable, org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute, java.io.Serializable)
    - org.apache.lucene.analysis.tokenattributes.PositionLengthAttributeImpl (implements java.lang.Cloneable, org.apache.lucene.analysis.tokenattributes.PositionLengthAttribute)
    - org.apache.lucene.analysis.tokenattributes.TypeAttributeImpl (implements java.lang.Cloneable, java.io.Serializable, org.apache.lucene.analysis.tokenattributes.TypeAttribute)
  - org.apache.lucene.util.AttributeSource
    - org.apache.lucene.analysis.TokenStream (implements java.io.Closeable)
      - org.apache.lucene.analysis.NumericTokenStream
      - org.apache.lucene.analysis.TeeSinkTokenFilter.SinkTokenStream
      - org.apache.lucene.analysis.TokenFilter
        - org.apache.lucene.analysis.ASCIIFoldingFilter
        - org.apache.lucene.analysis.CachingTokenFilter
        - org.apache.lucene.analysis.standard.ClassicFilter
        - org.apache.lucene.collation.CollationKeyFilter
        - org.apache.lucene.analysis.FilteringTokenFilter
          - org.apache.lucene.analysis.LengthFilter
          - org.apache.lucene.analysis.StopFilter
          - org.apache.lucene.analysis.TypeTokenFilter
        - org.apache.lucene.analysis.ISOLatin1AccentFilter
        - org.apache.lucene.analysis.KeywordMarkerFilter
        - org.apache.lucene.analysis.LimitTokenCountFilter
        - org.apache.lucene.analysis.LowerCaseFilter
        - org.apache.lucene.analysis.PorterStemFilter
        - org.apache.lucene.analysis.standard.StandardFilter
        - org.apache.lucene.analysis.TeeSinkTokenFilter
      - org.apache.lucene.analysis.Tokenizer
        - org.apache.lucene.analysis.CharTokenizer
          - org.apache.lucene.analysis.LetterTokenizer
            - org.apache.lucene.analysis.LowerCaseTokenizer
          - org.apache.lucene.analysis.WhitespaceTokenizer
        - org.apache.lucene.analysis.standard.ClassicTokenizer
        - org.apache.lucene.analysis.KeywordTokenizer
        - org.apache.lucene.analysis.standard.StandardTokenizer
        - org.apache.lucene.analysis.standard.UAX29URLEmailTokenizer
  - org.apache.lucene.util.AttributeSource.AttributeFactory
    - org.apache.lucene.analysis.Token.TokenAttributeFactory
  - org.apache.lucene.util.AttributeSource.State (implements java.lang.Cloneable)
  - org.apache.lucene.util.Bits.MatchAllBits (implements org.apache.lucene.util.Bits)
  - org.apache.lucene.util.Bits.MatchNoBits (implements org.apache.lucene.util.Bits)
  - org.apache.lucene.util.BitUtil
  - org.apache.lucene.util.BitVector (implements org.apache.lucene.util.Bits, java.lang.Cloneable)
  - org.apache.lucene.search.BooleanClause (implements java.io.Serializable)
  - org.apache.lucene.util.fst.Builder<T>
  - org.apache.lucene.util.fst.Builder.Arc<T>
  - org.apache.lucene.util.fst.Builder.FreezeTail<T>
  - org.apache.lucene.util.fst.Builder.UnCompiledNode<T>
  - org.apache.lucene.util.ByteBlockPool
  - org.apache.lucene.util.ByteBlockPool.Allocator
    - org.apache.lucene.util.ByteBlockPool.DirectAllocator
    - org.apache.lucene.util.ByteBlockPool.DirectTrackingAllocator
    - org.apache.lucene.util.RecyclingByteBlockAllocator
  - org.apache.lucene.util.BytesRef (implements java.lang.Cloneable, java.lang.Comparable<T>)
  - org.apache.lucene.util.fst.BytesRefFSTEnum<T>
  - org.apache.lucene.util.fst.BytesRefFSTEnum.InputOutput<T>
  - org.apache.lucene.util.BytesRefHash
  - org.apache.lucene.util.BytesRefHash.BytesStartArray
    - org.apache.lucene.util.BytesRefHash.DirectBytesStartArray
    - org.apache.lucene.util.BytesRefHash.TrackingDirectBytesStartArray
  - org.apache.lucene.util.CharacterUtils
  - org.apache.lucene.util.CharacterUtils.CharacterBuffer
  - org.apache.lucene.analysis.CharArrayMap.EntryIterator (implements java.util.Iterator<E>)
  - org.apache.lucene.analysis.CharArraySet.CharArraySetIterator (implements java.util.Iterator<E>)
  - org.apache.lucene.util.CharsRef (implements java.lang.CharSequence, java.lang.Cloneable, java.lang.Comparable<T>)
  - org.apache.lucene.index.CheckIndex
  - org.apache.lucene.index.CheckIndex.Status
  - org.apache.lucene.index.CheckIndex.Status.FieldNormStatus
  - org.apache.lucene.index.CheckIndex.Status.SegmentInfoStatus
  - org.apache.lucene.index.CheckIndex.Status.StoredFieldStatus
  - org.apache.lucene.index.CheckIndex.Status.TermIndexStatus
  - org.apache.lucene.index.CheckIndex.Status.TermVectorStatus
  - org.apache.lucene.util.CloseableThreadLocal<T> (implements java.io.Closeable)
  - org.apache.lucene.util.CodecUtil
  - org.apache.lucene.util.CollectionUtil
  - org.apache.lucene.search.Collector
    - org.apache.lucene.search.CachingCollector
    - org.apache.lucene.search.MultiCollector
    - org.apache.lucene.search.PositiveScoresOnlyCollector
    - org.apache.lucene.search.TimeLimitingCollector
    - org.apache.lucene.search.TopDocsCollector<T>
      - org.apache.lucene.search.TopFieldCollector
      - org.apache.lucene.search.TopScoreDocCollector
    - org.apache.lucene.search.TotalHitCountCollector
  - org.apache.lucene.util.CommandLineUtil
  - org.apache.lucene.index.CompoundFileWriter
  - org.apache.lucene.document.CompressionTools
  - org.apache.lucene.util.Constants
  - org.apache.lucene.util.Counter
  - org.apache.lucene.search.function.CustomScoreProvider
  - org.apache.lucene.store.DataInput (implements java.lang.Cloneable)
    - org.apache.lucene.store.ByteArrayDataInput
    - org.apache.lucene.util.fst.FST.BytesReader
    - org.apache.lucene.store.IndexInput (implements java.lang.Cloneable, java.io.Closeable)
      - org.apache.lucene.store.BufferedIndexInput
        - org.apache.lucene.store.SimpleFSDirectory.SimpleFSIndexInput
          - org.apache.lucene.store.NIOFSDirectory.NIOFSIndexInput
      - org.apache.lucene.store.ChecksumIndexInput
      - org.apache.lucene.store.RAMInputStream (implements java.lang.Cloneable)
    - org.apache.lucene.store.InputStreamDataInput (implements java.io.Closeable)
    - org.apache.lucene.util.PagedBytes.PagedBytesDataInput
  - org.apache.lucene.store.DataOutput
    - org.apache.lucene.store.ByteArrayDataOutput
    - org.apache.lucene.store.IndexOutput (implements java.io.Closeable)
      - org.apache.lucene.store.BufferedIndexOutput
        - org.apache.lucene.store.FSDirectory.FSIndexOutput
      - org.apache.lucene.store.ChecksumIndexOutput
      - org.apache.lucene.store.RAMOutputStream
    - org.apache.lucene.store.OutputStreamDataOutput (implements java.io.Closeable)
    - org.apache.lucene.util.PagedBytes.PagedBytesDataOutput
  - org.apache.lucene.document.DateField
  - org.apache.lucene.document.DateTools
  - org.apache.lucene.store.Directory (implements java.io.Closeable)
    - org.apache.lucene.store.FileSwitchDirectory
    - org.apache.lucene.store.FSDirectory
      - org.apache.lucene.store.MMapDirectory
      - org.apache.lucene.store.NIOFSDirectory
      - org.apache.lucene.store.SimpleFSDirectory
    - org.apache.lucene.store.NRTCachingDirectory
    - org.apache.lucene.store.RAMDirectory (implements java.io.Serializable)
  - org.apache.lucene.search.DocIdSet
    - org.apache.lucene.util.DocIdBitSet
    - org.apache.lucene.search.FieldCacheDocIdSet
    - org.apache.lucene.search.FilteredDocIdSet
    - org.apache.lucene.util.FixedBitSet (implements org.apache.lucene.util.Bits)
    - org.apache.lucene.util.OpenBitSet (implements org.apache.lucene.util.Bits, java.lang.Cloneable, java.io.Serializable)
      - org.apache.lucene.util.OpenBitSetDISI
    - org.apache.lucene.util.SortedVIntList
  - org.apache.lucene.search.DocIdSetIterator
    - org.apache.lucene.search.FilteredDocIdSetIterator
    - org.apache.lucene.util.OpenBitSetIterator
    - org.apache.lucene.search.Scorer
      - org.apache.lucene.search.ConstantScoreQuery.ConstantScorer
      - org.apache.lucene.search.ScoreCachingWrappingScorer
      - org.apache.lucene.search.spans.SpanScorer
        - org.apache.lucene.search.payloads.PayloadNearQuery.PayloadNearSpanScorer
        - org.apache.lucene.search.payloads.PayloadTermQuery.PayloadTermWeight.PayloadTermSpanScorer
  - org.apache.lucene.document.Document (implements java.io.Serializable)
  - org.apache.lucene.search.function.DocValues
  - org.apache.lucene.util.DoubleBarrelLRUCache<K,V>
  - org.apache.lucene.util.DoubleBarrelLRUCache.CloneableKey
  - org.apache.lucene.util.DummyConcurrentLock (implements java.util.concurrent.locks.Lock)
  - org.apache.lucene.search.Explanation (implements java.io.Serializable)
    - org.apache.lucene.search.ComplexExplanation
  - org.apache.lucene.search.Explanation.IDFExplanation (implements java.io.Serializable)
  - org.apache.lucene.queryParser.FastCharStream (implements org.apache.lucene.queryParser.CharStream)
  - org.apache.lucene.search.FieldCache.CacheEntry
  - org.apache.lucene.search.FieldCache.CreationPlaceholder
  - org.apache.lucene.search.FieldCache.StringIndex
  - org.apache.lucene.util.FieldCacheSanityChecker
  - org.apache.lucene.util.FieldCacheSanityChecker.Insanity
  - org.apache.lucene.util.FieldCacheSanityChecker.InsanityType
  - org.apache.lucene.search.FieldComparator<T>
    - org.apache.lucene.search.FieldComparator.DocComparator
    - org.apache.lucene.search.FieldComparator.NumericComparator<T>
      - org.apache.lucene.search.FieldComparator.ByteComparator
      - org.apache.lucene.search.FieldComparator.DoubleComparator
      - org.apache.lucene.search.FieldComparator.FloatComparator
      - org.apache.lucene.search.FieldComparator.IntComparator
      - org.apache.lucene.search.FieldComparator.LongComparator
      - org.apache.lucene.search.FieldComparator.ShortComparator
    - org.apache.lucene.search.FieldComparator.RelevanceComparator
    - org.apache.lucene.search.FieldComparator.StringComparatorLocale
    - org.apache.lucene.search.FieldComparator.StringOrdValComparator
    - org.apache.lucene.search.FieldComparator.StringValComparator
  - org.apache.lucene.search.FieldComparatorSource (implements java.io.Serializable)
  - org.apache.lucene.index.FieldInfo
  - org.apache.lucene.index.FieldInfos (implements java.lang.Iterable<T>)
  - org.apache.lucene.index.FieldInvertState
  - org.apache.lucene.search.function.FieldScoreQuery.Type
  - org.apache.lucene.search.Filter (implements java.io.Serializable)
    - org.apache.lucene.search.CachingWrapperFilter
    - org.apache.lucene.search.FieldCacheRangeFilter<T>
    - org.apache.lucene.search.FieldCacheTermsFilter
    - org.apache.lucene.search.FieldValueFilter
    - org.apache.lucene.search.MultiTermQueryWrapperFilter<Q>
      - org.apache.lucene.search.NumericRangeFilter<T>
      - org.apache.lucene.search.PrefixFilter
      - org.apache.lucene.search.TermRangeFilter
    - org.apache.lucene.search.QueryWrapperFilter
    - org.apache.lucene.search.SpanFilter
      - org.apache.lucene.search.CachingSpanFilter
      - org.apache.lucene.search.SpanQueryFilter
  - org.apache.lucene.index.FilterIndexReader.FilterTermDocs (implements org.apache.lucene.index.TermDocs)
    - org.apache.lucene.index.FilterIndexReader.FilterTermPositions (implements org.apache.lucene.index.TermPositions)
  - org.apache.lucene.search.FilterManager
  - org.apache.lucene.search.FilterManager.FilterCleaner (implements java.lang.Runnable)
  - org.apache.lucene.search.FilterManager.FilterItem
  - org.apache.lucene.util.fst.FST<T>
  - org.apache.lucene.util.fst.FST.Arc<T>
  - org.apache.lucene.util.packed.GrowableWriter (implements org.apache.lucene.util.packed.PackedInts.Mutable)
  - org.apache.lucene.util.IndexableBinaryStringTools
  - org.apache.lucene.index.IndexCommit (implements java.lang.Comparable<T>)
    - org.apache.lucene.index.SnapshotDeletionPolicy.SnapshotCommitPoint
  - org.apache.lucene.index.IndexFileNameFilter (implements java.io.FilenameFilter)
  - org.apache.lucene.index.IndexFileNames
  - org.apache.lucene.index.IndexReader (implements java.lang.Cloneable, java.io.Closeable)
    - org.apache.lucene.index.FilterIndexReader
    - org.apache.lucene.index.MultiReader (implements java.lang.Cloneable)
    - org.apache.lucene.index.ParallelReader
    - org.apache.lucene.index.SegmentReader (implements java.lang.Cloneable)
  - org.apache.lucene.index.IndexUpgrader
  - org.apache.lucene.index.IndexWriter (implements java.io.Closeable, org.apache.lucene.util.TwoPhaseCommit)
  - org.apache.lucene.index.IndexWriter.IndexReaderWarmer
  - org.apache.lucene.index.IndexWriter.MaxFieldLength
  - org.apache.lucene.index.IndexWriterConfig (implements java.lang.Cloneable)
  - org.apache.lucene.util.IntsRef (implements java.lang.Cloneable, java.lang.Comparable<T>)
  - org.apache.lucene.util.fst.IntsRefFSTEnum<T>
  - org.apache.lucene.util.fst.IntsRefFSTEnum.InputOutput<T>
  - org.apache.lucene.util.IOUtils
  - org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy (implements org.apache.lucene.index.IndexDeletionPolicy)
  - org.apache.lucene.document.LoadFirstFieldSelector (implements org.apache.lucene.document.FieldSelector)
  - org.apache.lucene.store.Lock
  - org.apache.lucene.store.Lock.With
  - org.apache.lucene.store.LockFactory
    - org.apache.lucene.store.FSLockFactory
      - org.apache.lucene.store.NativeFSLockFactory
      - org.apache.lucene.store.SimpleFSLockFactory
    - org.apache.lucene.store.NoLockFactory
    - org.apache.lucene.store.SingleInstanceLockFactory
    - org.apache.lucene.store.VerifyingLockFactory
  - org.apache.lucene.store.LockStressTest
  - org.apache.lucene.store.LockVerifyServer
  - org.apache.lucene.LucenePackage
  - org.apache.lucene.document.MapFieldSelector (implements org.apache.lucene.document.FieldSelector)
  - org.apache.lucene.util.MapOfSets<K,V>
  - org.apache.lucene.index.MergePolicy (implements java.io.Closeable)
    - org.apache.lucene.index.LogMergePolicy
      - org.apache.lucene.index.LogByteSizeMergePolicy
      - org.apache.lucene.index.LogDocMergePolicy
    - org.apache.lucene.index.NoMergePolicy
    - org.apache.lucene.index.TieredMergePolicy
    - org.apache.lucene.index.UpgradeIndexMergePolicy
  - org.apache.lucene.index.MergePolicy.MergeSpecification
  - org.apache.lucene.index.MergePolicy.OneMerge
  - org.apache.lucene.index.MergeScheduler
    - org.apache.lucene.index.ConcurrentMergeScheduler
    - org.apache.lucene.index.NoMergeScheduler
    - org.apache.lucene.index.SerialMergeScheduler
  - org.apache.lucene.index.MultipleTermPositions (implements org.apache.lucene.index.TermPositions)
  - org.apache.lucene.search.MultiTermQuery.RewriteMethod (implements java.io.Serializable)
    - org.apache.lucene.search.MultiTermQuery.ConstantScoreAutoRewrite
    - org.apache.lucene.search.ScoringRewrite<Q>
    - org.apache.lucene.search.spans.SpanMultiTermQueryWrapper.SpanRewriteMethod
      - org.apache.lucene.search.spans.SpanMultiTermQueryWrapper.TopTermsSpanBooleanQueryRewrite
    - org.apache.lucene.search.TopTermsRewrite<Q>
      - org.apache.lucene.search.MultiTermQuery.TopTermsBoostOnlyBooleanQueryRewrite
      - org.apache.lucene.search.MultiTermQuery.TopTermsScoringBooleanQueryRewrite
  - org.apache.lucene.util.NamedThreadFactory (implements java.util.concurrent.ThreadFactory)
  - org.apache.lucene.index.NoDeletionPolicy (implements org.apache.lucene.index.IndexDeletionPolicy)
  - org.apache.lucene.analysis.NormalizeCharMap
  - org.apache.lucene.search.NRTManager.TrackingIndexWriter
  - org.apache.lucene.document.NumberTools
  - org.apache.lucene.util.NumericUtils
  - org.apache.lucene.util.NumericUtils.IntRangeBuilder
  - org.apache.lucene.util.NumericUtils.LongRangeBuilder
  - org.apache.lucene.util.fst.Outputs<T>
    - org.apache.lucene.util.fst.ByteSequenceOutputs
    - org.apache.lucene.util.fst.IntSequenceOutputs
    - org.apache.lucene.util.fst.NoOutputs
    - org.apache.lucene.util.fst.PairOutputs<A,B>
    - org.apache.lucene.util.fst.PositiveIntOutputs
    - org.apache.lucene.util.fst.UpToTwoPositiveIntOutputs
  - org.apache.lucene.util.packed.PackedInts
  - org.apache.lucene.util.packed.PackedInts.ReaderImpl (implements org.apache.lucene.util.packed.PackedInts.Reader)
  - org.apache.lucene.util.packed.PackedInts.Writer
  - org.apache.lucene.util.PagedBytes
  - org.apache.lucene.util.PagedBytes.Reader
  - org.apache.lucene.util.fst.PairOutputs.Pair<A,B>
  - org.apache.lucene.util.Parameter (implements java.io.Serializable)
  - org.apache.lucene.index.Payload (implements java.lang.Cloneable, java.io.Serializable)
  - org.apache.lucene.search.payloads.PayloadFunction (implements java.io.Serializable)
    - org.apache.lucene.search.payloads.AveragePayloadFunction
    - org.apache.lucene.search.payloads.MaxPayloadFunction
    - org.apache.lucene.search.payloads.MinPayloadFunction
  - org.apache.lucene.index.PayloadProcessorProvider
  - org.apache.lucene.index.PayloadProcessorProvider.PayloadProcessor
  - org.apache.lucene.index.PayloadProcessorProvider.ReaderPayloadProcessor
    - org.apache.lucene.index.PayloadProcessorProvider.DirPayloadProcessor
  - org.apache.lucene.search.payloads.PayloadSpanUtil
  - org.apache.lucene.index.PositionBasedTermVectorMapper.TVPositionInfo
  - org.apache.lucene.util.PriorityQueue<T>
    - org.apache.lucene.search.FieldValueHitQueue<T>
  - org.apache.lucene.search.Query (implements java.lang.Cloneable, java.io.Serializable)
    - org.apache.lucene.search.BooleanQuery (implements java.lang.Iterable<T>)
    - org.apache.lucene.search.ConstantScoreQuery
    - org.apache.lucene.search.function.CustomScoreQuery
    - org.apache.lucene.search.DisjunctionMaxQuery (implements java.lang.Iterable<T>)
    - org.apache.lucene.search.FilteredQuery
    - org.apache.lucene.search.MatchAllDocsQuery
    - org.apache.lucene.search.MultiPhraseQuery
    - org.apache.lucene.search.MultiTermQuery
      - org.apache.lucene.search.FuzzyQuery
      - org.apache.lucene.search.NumericRangeQuery<T>
      - org.apache.lucene.search.PrefixQuery
      - org.apache.lucene.search.TermRangeQuery
      - org.apache.lucene.search.WildcardQuery
    - org.apache.lucene.search.PhraseQuery
      - org.apache.lucene.search.NGramPhraseQuery
    - org.apache.lucene.search.spans.SpanQuery
      - org.apache.lucene.search.spans.FieldMaskingSpanQuery
      - org.apache.lucene.search.spans.SpanMultiTermQueryWrapper<Q>
      - org.apache.lucene.search.spans.SpanNearQuery (implements java.lang.Cloneable)
        - org.apache.lucene.search.payloads.PayloadNearQuery
      - org.apache.lucene.search.spans.SpanNotQuery (implements java.lang.Cloneable)
      - org.apache.lucene.search.spans.SpanOrQuery (implements java.lang.Cloneable)
      - org.apache.lucene.search.spans.SpanPositionCheckQuery (implements java.lang.Cloneable)
        - org.apache.lucene.search.spans.SpanNearPayloadCheckQuery
        - org.apache.lucene.search.spans.SpanPayloadCheckQuery
        - org.apache.lucene.search.spans.SpanPositionRangeQuery
          - org.apache.lucene.search.spans.SpanFirstQuery
      - org.apache.lucene.search.spans.SpanTermQuery
        - org.apache.lucene.search.payloads.PayloadTermQuery
    - org.apache.lucene.search.TermQuery
    - org.apache.lucene.search.function.ValueSourceQuery
      - org.apache.lucene.search.function.FieldScoreQuery
  - org.apache.lucene.queryParser.QueryParser (implements org.apache.lucene.queryParser.QueryParserConstants)
    - org.apache.lucene.queryParser.MultiFieldQueryParser
  - org.apache.lucene.queryParser.QueryParserTokenManager (implements org.apache.lucene.queryParser.QueryParserConstants)
  - org.apache.lucene.search.QueryTermVector (implements org.apache.lucene.index.TermFreqVector)
  - org.apache.lucene.store.RAMFile (implements java.io.Serializable)
  - org.apache.lucene.util.RamUsageEstimator
  - java.io.RandomAccessFile (implements java.io.Closeable, java.io.DataInput, java.io.DataOutput)
    - org.apache.lucene.store.SimpleFSDirectory.SimpleFSIndexInput.Descriptor
  - java.io.Reader (implements java.io.Closeable, java.lang.Readable)
    - org.apache.lucene.analysis.CharStream
      - org.apache.lucene.analysis.CharFilter
        - org.apache.lucene.analysis.BaseCharFilter
          - org.apache.lucene.analysis.MappingCharFilter
      - org.apache.lucene.analysis.CharReader
  - org.apache.lucene.util.ReaderUtil
  - org.apache.lucene.util.ReaderUtil.Gather
  - org.apache.lucene.search.ReferenceManager<G> (implements java.io.Closeable)
    - org.apache.lucene.search.NRTManager
    - org.apache.lucene.search.SearcherManager
  - org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents
  - org.apache.lucene.util.RollingCharBuffer
  - org.apache.lucene.search.ScoreDoc (implements java.io.Serializable)
    - org.apache.lucene.search.FieldDoc
    - org.apache.lucene.search.FieldValueHitQueue.Entry
  - org.apache.lucene.search.Scorer.ScorerVisitor<P,C,S>
  - org.apache.lucene.util.ScorerDocQueue
  - org.apache.lucene.search.Searcher (implements org.apache.lucene.search.Searchable)
    - org.apache.lucene.search.IndexSearcher
    - org.apache.lucene.search.MultiSearcher
      - org.apache.lucene.search.ParallelMultiSearcher
  - org.apache.lucene.search.SearcherFactory
  - org.apache.lucene.search.SearcherLifetimeManager (implements java.io.Closeable)
  - org.apache.lucene.search.SearcherLifetimeManager.PruneByAge (implements org.apache.lucene.search.SearcherLifetimeManager.Pruner)
  - org.apache.lucene.index.SegmentInfo (implements java.lang.Cloneable)
  - org.apache.lucene.index.SegmentInfos (implements java.lang.Cloneable, java.lang.Iterable<T>)
  - org.apache.lucene.index.SegmentInfos.FindSegmentsFile
  - org.apache.lucene.index.SegmentWriteState
  - org.apache.lucene.document.SetBasedFieldSelector (implements org.apache.lucene.document.FieldSelector)
  - org.apache.lucene.util.SetOnce<T>
  - org.apache.lucene.search.Similarity (implements java.io.Serializable)
    - org.apache.lucene.search.DefaultSimilarity
    - org.apache.lucene.search.SimilarityDelegator
  - org.apache.lucene.util.SmallFloat
  - org.apache.lucene.index.SnapshotDeletionPolicy (implements org.apache.lucene.index.IndexDeletionPolicy)
    - org.apache.lucene.index.PersistentSnapshotDeletionPolicy
  - org.apache.lucene.search.Sort (implements java.io.Serializable)
  - org.apache.lucene.util.SorterTemplate
  - org.apache.lucene.search.SortField (implements java.io.Serializable)
  - org.apache.lucene.search.SpanFilterResult
  - org.apache.lucene.search.SpanFilterResult.PositionInfo
  - org.apache.lucene.search.SpanFilterResult.StartEnd
  - org.apache.lucene.search.spans.Spans
    - org.apache.lucene.search.spans.NearSpansOrdered
    - org.apache.lucene.search.spans.NearSpansUnordered
    - org.apache.lucene.search.spans.SpanPositionCheckQuery.PositionCheckSpan
    - org.apache.lucene.search.spans.TermSpans
  - org.apache.lucene.analysis.standard.StandardTokenizerImpl (implements org.apache.lucene.analysis.standard.StandardTokenizerInterface)
  - org.apache.lucene.analysis.standard.std31.StandardTokenizerImpl31 (implements org.apache.lucene.analysis.standard.StandardTokenizerInterface)
  - org.apache.lucene.util.StringHelper
  - org.apache.lucene.util.StringInterner
    - org.apache.lucene.util.SimpleStringInterner
  - org.apache.lucene.analysis.TeeSinkTokenFilter.SinkFilter
  - org.apache.lucene.index.Term (implements java.lang.Comparable<T>, java.io.Serializable)
  - org.apache.lucene.index.TermEnum (implements java.io.Closeable)
    - org.apache.lucene.search.FilteredTermEnum
      - org.apache.lucene.search.FuzzyTermEnum
      - org.apache.lucene.search.PrefixTermEnum
      - org.apache.lucene.search.SingleTermEnum
      - org.apache.lucene.search.TermRangeTermEnum
      - org.apache.lucene.search.WildcardTermEnum
    - org.apache.lucene.index.FilterIndexReader.FilterTermEnum
  - org.apache.lucene.index.TermVectorEntry
  - org.apache.lucene.index.TermVectorEntryFreqSortedComparator (implements java.util.Comparator<T>)
  - org.apache.lucene.index.TermVectorMapper
    - org.apache.lucene.index.FieldSortedTermVectorMapper
    - org.apache.lucene.index.PositionBasedTermVectorMapper
    - org.apache.lucene.index.SortedTermVectorMapper
  - org.apache.lucene.index.TermVectorOffsetInfo (implements java.io.Serializable)
  - java.lang.Thread (implements java.lang.Runnable)
    - org.apache.lucene.index.ConcurrentMergeScheduler.MergeThread
    - org.apache.lucene.search.NRTManagerReopenThread (implements java.io.Closeable, org.apache.lucene.search.NRTManager.WaitingListener)
    - org.apache.lucene.search.TimeLimitingCollector.TimerThread
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Error
      - org.apache.lucene.queryParser.TokenMgrError
    - java.lang.Exception
      - java.io.IOException
        - org.apache.lucene.index.CorruptIndexException
          - org.apache.lucene.index.IndexFormatTooNewException
          - org.apache.lucene.index.IndexFormatTooOldException
        - java.io.FileNotFoundException
          - org.apache.lucene.index.IndexNotFoundException
          - org.apache.lucene.store.NoSuchDirectoryException
        - org.apache.lucene.store.LockObtainFailedException
        - org.apache.lucene.store.LockReleaseFailedException
        - org.apache.lucene.index.MergePolicy.MergeAbortedException
        - org.apache.lucene.index.StaleReaderException
        - org.apache.lucene.util.TwoPhaseCommitTool.CommitFailException
        - org.apache.lucene.util.TwoPhaseCommitTool.PrepareCommitFailException
      - org.apache.lucene.queryParser.ParseException
      - java.lang.RuntimeException
        - org.apache.lucene.search.BooleanQuery.TooManyClauses
        - org.apache.lucene.util.BytesRefHash.MaxBytesLengthExceededException
        - org.apache.lucene.index.FieldReaderException
        - java.lang.IllegalStateException
          - org.apache.lucene.store.AlreadyClosedException
        - org.apache.lucene.index.MergePolicy.MergeException
        - org.apache.lucene.util.SetOnce.AlreadySetException
        - org.apache.lucene.util.ThreadInterruptedException
        - org.apache.lucene.search.TimeLimitingCollector.TimeExceededException
  - org.apache.lucene.index.TieredMergePolicy.MergeScore
  - org.apache.lucene.queryParser.Token (implements java.io.Serializable)
  - org.apache.lucene.search.TopDocs (implements java.io.Serializable)
    - org.apache.lucene.search.TopFieldDocs
  - org.apache.lucene.util.ToStringUtils
  - org.apache.lucene.util.TwoPhaseCommitTool
  - org.apache.lucene.util.TwoPhaseCommitTool.TwoPhaseCommitWrapper (implements org.apache.lucene.util.TwoPhaseCommit)
  - org.apache.lucene.analysis.standard.UAX29URLEmailTokenizerImpl (implements org.apache.lucene.analysis.standard.StandardTokenizerInterface)
  - org.apache.lucene.analysis.standard.std31.UAX29URLEmailTokenizerImpl31 (implements org.apache.lucene.analysis.standard.StandardTokenizerInterface)
  - org.apache.lucene.analysis.standard.std34.UAX29URLEmailTokenizerImpl34 (implements org.apache.lucene.analysis.standard.StandardTokenizerInterface)
  - org.apache.lucene.util.UnicodeUtil
  - org.apache.lucene.util.UnicodeUtil.UTF16Result
  - org.apache.lucene.util.UnicodeUtil.UTF8Result
  - org.apache.lucene.util.fst.UpToTwoPositiveIntOutputs.TwoLongs
  - org.apache.lucene.util.fst.Util
  - org.apache.lucene.util.fst.Util.MinResult<T> (implements java.lang.Comparable<T>)
  - org.apache.lucene.search.function.ValueSource (implements java.io.Serializable)
    - org.apache.lucene.search.function.FieldCacheSource
      - org.apache.lucene.search.function.ByteFieldSource
      - org.apache.lucene.search.function.FloatFieldSource
      - org.apache.lucene.search.function.IntFieldSource
      - org.apache.lucene.search.function.ShortFieldSource
    - org.apache.lucene.search.function.OrdFieldSource
    - org.apache.lucene.search.function.ReverseOrdFieldSource
  - org.apache.lucene.util.VirtualMethod<C>
  - org.apache.lucene.util.WeakIdentityMap<K,V>
  - org.apache.lucene.search.Weight (implements java.io.Serializable)
    - org.apache.lucene.search.BooleanQuery.BooleanWeight
    - org.apache.lucene.search.ConstantScoreQuery.ConstantWeight
    - org.apache.lucene.search.DisjunctionMaxQuery.DisjunctionMaxWeight
    - org.apache.lucene.search.spans.SpanWeight
      - org.apache.lucene.search.payloads.PayloadNearQuery.PayloadNearSpanWeight
      - org.apache.lucene.search.payloads.PayloadTermQuery.PayloadTermWeight
  - org.apache.lucene.analysis.WordlistLoader

## Interface Hierarchy

- java.lang.Appendable
  - org.apache.lucene.analysis.tokenattributes.CharTermAttribute (also extends org.apache.lucene.util.Attribute, java.lang.CharSequence)
- org.apache.lucene.util.Attribute
  - org.apache.lucene.analysis.tokenattributes.CharTermAttribute (also extends java.lang.Appendable, java.lang.CharSequence)
  - org.apache.lucene.analysis.tokenattributes.FlagsAttribute
  - org.apache.lucene.analysis.tokenattributes.KeywordAttribute
  - org.apache.lucene.analysis.tokenattributes.OffsetAttribute
  - org.apache.lucene.analysis.tokenattributes.PayloadAttribute
  - org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute
  - org.apache.lucene.analysis.tokenattributes.PositionLengthAttribute
  - org.apache.lucene.analysis.tokenattributes.TermAttribute
  - org.apache.lucene.analysis.tokenattributes.TypeAttribute
- org.apache.lucene.util.AttributeReflector
- org.apache.lucene.util.Bits
- org.apache.lucene.util.BytesRefIterator
- java.lang.CharSequence
  - org.apache.lucene.analysis.tokenattributes.CharTermAttribute (also extends java.lang.Appendable, org.apache.lucene.util.Attribute)
- org.apache.lucene.queryParser.CharStream
- java.io.Closeable
  - org.apache.lucene.search.Searchable
  - org.apache.lucene.index.TermDocs
    - org.apache.lucene.index.TermPositions
  - org.apache.lucene.index.TermPositions
- org.apache.lucene.search.FieldCache
- org.apache.lucene.index.IndexDeletionPolicy
- org.apache.lucene.index.IndexReader.ReaderClosedListener
- org.apache.lucene.search.NRTManager.WaitingListener
- org.apache.lucene.util.packed.PackedInts.Reader
  - org.apache.lucene.util.packed.PackedInts.Mutable
- org.apache.lucene.queryParser.QueryParserConstants
- org.apache.lucene.search.SearcherLifetimeManager.Pruner
- org.apache.lucene.index.SegmentReader.CoreClosedListener
- java.io.Serializable
  - org.apache.lucene.document.Fieldable
  - org.apache.lucene.search.FieldCache.ByteParser
  - org.apache.lucene.search.FieldCache.DoubleParser
  - org.apache.lucene.search.FieldCache.FloatParser
  - org.apache.lucene.search.FieldCache.IntParser
  - org.apache.lucene.search.FieldCache.LongParser
  - org.apache.lucene.search.FieldCache.Parser
    - org.apache.lucene.search.FieldCache.ByteParser
    - org.apache.lucene.search.FieldCache.DoubleParser
    - org.apache.lucene.search.FieldCache.FloatParser
    - org.apache.lucene.search.FieldCache.IntParser
    - org.apache.lucene.search.FieldCache.LongParser
    - org.apache.lucene.search.FieldCache.ShortParser
  - org.apache.lucene.search.FieldCache.ShortParser
  - org.apache.lucene.document.FieldSelector
- org.apache.lucene.analysis.standard.StandardTokenizerInterface
- org.apache.lucene.index.TermFreqVector
  - org.apache.lucene.index.TermPositionVector
- org.apache.lucene.util.TwoPhaseCommit

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - org.apache.lucene.document.FieldSelectorResult
    - org.apache.lucene.document.Field.Store
    - org.apache.lucene.document.Field.Index
    - org.apache.lucene.document.Field.TermVector
    - org.apache.lucene.document.NumericField.DataType
    - org.apache.lucene.document.DateTools.Resolution
    - org.apache.lucene.index.FieldInfo.IndexOptions
    - org.apache.lucene.index.IndexWriterConfig.OpenMode
    - org.apache.lucene.queryParser.QueryParser.Operator
    - org.apache.lucene.search.BooleanClause.Occur
    - org.apache.lucene.search.CachingWrapperFilter.DeletesMode
    - org.apache.lucene.search.spans.SpanPositionCheckQuery.AcceptStatus
    - org.apache.lucene.util.RamUsageEstimator.JvmFeature
    - org.apache.lucene.util.Version
    - org.apache.lucene.util.fst.FST.INPUT_TYPE

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