# Hierarchy For All Packages

Package Hierarchies:

- org.apache.lucene.codecs,
- org.apache.lucene.codecs.lucene50,
- org.apache.lucene.codecs.lucene60,
- org.apache.lucene.codecs.lucene70,
- org.apache.lucene.codecs.lucene80,
- org.apache.lucene.codecs.lucene84

## Class Hierarchy

- java.lang.Object
  - org.apache.lucene.codecs.Codec (implements org.apache.lucene.util.NamedSPILoader.NamedSPI)
    - org.apache.lucene.codecs.lucene70.Lucene70Codec
    - org.apache.lucene.codecs.lucene80.Lucene80Codec
    - org.apache.lucene.codecs.lucene84.Lucene84Codec
  - org.apache.lucene.codecs.DocValuesFormat (implements org.apache.lucene.util.NamedSPILoader.NamedSPI)
    - org.apache.lucene.codecs.lucene70.Lucene70DocValuesFormat
  - org.apache.lucene.codecs.NormsFormat
    - org.apache.lucene.codecs.lucene70.Lucene70NormsFormat
  - org.apache.lucene.codecs.Placeholder
  - org.apache.lucene.codecs.PointsFormat
    - org.apache.lucene.codecs.lucene60.Lucene60PointsFormat
  - org.apache.lucene.codecs.PointsReader (implements org.apache.lucene.util.Accountable, java.io.Closeable)
    - org.apache.lucene.codecs.lucene60.Lucene60PointsReader (implements java.io.Closeable)
  - org.apache.lucene.codecs.PostingsFormat (implements org.apache.lucene.util.NamedSPILoader.NamedSPI)
    - org.apache.lucene.codecs.lucene50.Lucene50PostingsFormat
  - org.apache.lucene.codecs.PostingsReaderBase (implements org.apache.lucene.util.Accountable, java.io.Closeable)
    - org.apache.lucene.codecs.lucene50.Lucene50PostingsReader
  - org.apache.lucene.codecs.SegmentInfoFormat
    - org.apache.lucene.codecs.lucene70.Lucene70SegmentInfoFormat
  - org.apache.lucene.index.TermState (implements java.lang.Cloneable)
    - org.apache.lucene.index.OrdTermState
      - org.apache.lucene.codecs.BlockTermState
        - org.apache.lucene.codecs.lucene50.Lucene50PostingsFormat.IntBlockTermState