# Hierarchy For All Packages

Package Hierarchies:

- org.apache.lucene.misc,
- org.apache.lucene.misc.document,
- org.apache.lucene.misc.index,
- org.apache.lucene.misc.search,
- org.apache.lucene.misc.store,
- org.apache.lucene.misc.util,
- org.apache.lucene.misc.util.fst

## Class Hierarchy

- java.lang.Object
  - org.apache.lucene.misc.index.BinaryDocValueSelector (implements org.apache.lucene.misc.index.IndexRearranger.DocumentSelector, java.io.Serializable)
  - org.apache.lucene.misc.index.BPIndexReorderer
  - org.apache.lucene.misc.CollectorMemoryTracker (implements org.apache.lucene.misc.util.MemoryTracker)
  - org.apache.lucene.store.DataOutput
    - org.apache.lucene.store.IndexOutput (implements java.io.Closeable)
      - org.apache.lucene.store.FilterIndexOutput
        - org.apache.lucene.misc.store.ByteTrackingIndexOutput
  - org.apache.lucene.store.Directory (implements java.io.Closeable)
    - org.apache.lucene.store.BaseDirectory
      - org.apache.lucene.store.FSDirectory
        - org.apache.lucene.misc.store.RAFDirectory
    - org.apache.lucene.store.FilterDirectory
      - org.apache.lucene.misc.store.ByteWritesTrackingDirectoryWrapper
      - org.apache.lucene.misc.store.DirectIODirectory
      - org.apache.lucene.misc.store.HardlinkCopyDirectoryWrapper
  - org.apache.lucene.misc.search.DocValuesStats<T>
    - org.apache.lucene.misc.search.DocValuesStats.NumericDocValuesStats<T>
      - org.apache.lucene.misc.search.DocValuesStats.DoubleDocValuesStats
      - org.apache.lucene.misc.search.DocValuesStats.LongDocValuesStats
    - org.apache.lucene.misc.search.DocValuesStats.SortedDocValuesStats
    - org.apache.lucene.misc.search.DocValuesStats.SortedNumericDocValuesStats<T>
      - org.apache.lucene.misc.search.DocValuesStats.SortedDoubleDocValuesStats
      - org.apache.lucene.misc.search.DocValuesStats.SortedLongDocValuesStats
    - org.apache.lucene.misc.search.DocValuesStats.SortedSetDocValuesStats
  - org.apache.lucene.misc.search.DocValuesStatsCollector (implements org.apache.lucene.search.Collector)
  - org.apache.lucene.misc.GetTermInfo
  - org.apache.lucene.misc.HighFreqTerms
  - org.apache.lucene.misc.HighFreqTerms.DocFreqComparator (implements java.util.Comparator<T>)
  - org.apache.lucene.misc.HighFreqTerms.TotalTermFreqComparator (implements java.util.Comparator<T>)
  - org.apache.lucene.misc.IndexMergeTool
  - org.apache.lucene.misc.index.IndexRearranger
  - org.apache.lucene.misc.index.IndexSplitter
  - org.apache.lucene.misc.document.LazyDocument
  - org.apache.lucene.misc.document.LazyDocument.LazyField (implements org.apache.lucene.index.IndexableField)
  - org.apache.lucene.index.MergePolicy
    - org.apache.lucene.index.FilterMergePolicy (implements org.apache.lucene.util.Unwrappable<T>)
      - org.apache.lucene.misc.index.BPReorderingMergePolicy
  - org.apache.lucene.misc.index.MultiPassIndexSplitter
  - org.apache.lucene.util.fst.Outputs<T>
    - org.apache.lucene.misc.util.fst.ListOfOutputs<T>
    - org.apache.lucene.misc.util.fst.UpToTwoPositiveIntOutputs
  - org.apache.lucene.misc.index.PKIndexSplitter
  - org.apache.lucene.search.Query
    - org.apache.lucene.misc.search.HumanReadableQuery
  - org.apache.lucene.search.ScoreDoc
    - org.apache.lucene.misc.search.DiversifiedTopDocsCollector.ScoreDocKey
  - org.apache.lucene.search.similarities.Similarity
    - org.apache.lucene.search.similarities.TFIDFSimilarity
      - org.apache.lucene.search.similarities.ClassicSimilarity
        - org.apache.lucene.misc.SweetSpotSimilarity
  - org.apache.lucene.search.SimpleCollector (implements org.apache.lucene.search.Collector, org.apache.lucene.search.LeafCollector)
    - org.apache.lucene.misc.search.MemoryAccountingBitsetCollector
  - org.apache.lucene.misc.TermStats
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - java.lang.RuntimeException
        - org.apache.lucene.misc.index.BPIndexReorderer.NotEnoughRAMException
  - org.apache.lucene.search.TopDocsCollector<T> (implements org.apache.lucene.search.Collector)
    - org.apache.lucene.misc.search.DiversifiedTopDocsCollector
  - org.apache.lucene.misc.util.fst.UpToTwoPositiveIntOutputs.TwoLongs

## Interface Hierarchy

- org.apache.lucene.misc.index.IndexRearranger.DocumentSelector
- org.apache.lucene.misc.util.MemoryTracker