# Hierarchy For Package org.apache.lucene.codecs.lucene99

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.lucene.codecs.Codec (implements org.apache.lucene.util.NamedSPILoader.NamedSPI)
    - org.apache.lucene.codecs.lucene99.Lucene99Codec
  - org.apache.lucene.search.DocIdSetIterator
    - org.apache.lucene.index.ByteVectorValues
      - org.apache.lucene.util.quantization.QuantizedByteVectorValues
        - org.apache.lucene.codecs.lucene99.OffHeapQuantizedByteVectorValues (implements org.apache.lucene.util.quantization.RandomAccessQuantizedByteVectorValues)
          - org.apache.lucene.codecs.lucene99.OffHeapQuantizedByteVectorValues.DenseOffHeapVectorValues
  - org.apache.lucene.codecs.FlatVectorsFormat
    - org.apache.lucene.codecs.lucene99.Lucene99FlatVectorsFormat
    - org.apache.lucene.codecs.lucene99.Lucene99ScalarQuantizedVectorsFormat
  - org.apache.lucene.codecs.FlatVectorsReader (implements org.apache.lucene.util.Accountable, java.io.Closeable)
    - org.apache.lucene.codecs.lucene99.Lucene99FlatVectorsReader
    - org.apache.lucene.codecs.lucene99.Lucene99ScalarQuantizedVectorsReader (implements org.apache.lucene.util.quantization.QuantizedVectorsReader)
  - org.apache.lucene.codecs.FlatVectorsWriter (implements org.apache.lucene.util.Accountable, java.io.Closeable)
    - org.apache.lucene.codecs.lucene99.Lucene99FlatVectorsWriter
    - org.apache.lucene.codecs.lucene99.Lucene99ScalarQuantizedVectorsWriter
  - org.apache.lucene.codecs.lucene99.ForDeltaUtil
  - org.apache.lucene.codecs.KnnVectorsFormat (implements org.apache.lucene.util.NamedSPILoader.NamedSPI)
    - org.apache.lucene.codecs.lucene99.Lucene99HnswScalarQuantizedVectorsFormat
    - org.apache.lucene.codecs.lucene99.Lucene99HnswVectorsFormat
  - org.apache.lucene.codecs.KnnVectorsReader (implements org.apache.lucene.util.Accountable, java.io.Closeable)
    - org.apache.lucene.codecs.lucene99.Lucene99HnswVectorsReader (implements org.apache.lucene.codecs.HnswGraphProvider, org.apache.lucene.util.quantization.QuantizedVectorsReader)
  - org.apache.lucene.codecs.KnnVectorsWriter (implements org.apache.lucene.util.Accountable, java.io.Closeable)
    - org.apache.lucene.codecs.lucene99.Lucene99HnswVectorsWriter
  - org.apache.lucene.codecs.MultiLevelSkipListReader (implements java.io.Closeable)
    - org.apache.lucene.codecs.lucene99.Lucene99SkipReader
  - org.apache.lucene.codecs.MultiLevelSkipListWriter
    - org.apache.lucene.codecs.lucene99.Lucene99SkipWriter
  - org.apache.lucene.codecs.PostingsFormat (implements org.apache.lucene.util.NamedSPILoader.NamedSPI)
    - org.apache.lucene.codecs.lucene99.Lucene99PostingsFormat
  - org.apache.lucene.codecs.PostingsReaderBase (implements java.io.Closeable)
    - org.apache.lucene.codecs.lucene99.Lucene99PostingsReader
  - org.apache.lucene.codecs.PostingsWriterBase (implements java.io.Closeable)
    - org.apache.lucene.codecs.PushPostingsWriterBase
      - org.apache.lucene.codecs.lucene99.Lucene99PostingsWriter
  - org.apache.lucene.codecs.SegmentInfoFormat
    - org.apache.lucene.codecs.lucene99.Lucene99SegmentInfoFormat
  - org.apache.lucene.index.TermState (implements java.lang.Cloneable)
    - org.apache.lucene.index.OrdTermState
      - org.apache.lucene.codecs.BlockTermState
        - org.apache.lucene.codecs.lucene99.Lucene99PostingsFormat.IntBlockTermState

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - org.apache.lucene.codecs.lucene99.Lucene99Codec.Mode