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

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.lucene.codecs.DocValuesFormat (implements org.apache.lucene.util.NamedSPILoader.NamedSPI)
    - org.apache.lucene.codecs.memory.DirectDocValuesFormat
  - org.apache.lucene.index.Fields (implements java.lang.Iterable<T>)
    - org.apache.lucene.codecs.FieldsProducer (implements org.apache.lucene.util.Accountable, java.io.Closeable)
      - org.apache.lucene.codecs.memory.FSTOrdTermsReader
      - org.apache.lucene.codecs.memory.FSTTermsReader
  - org.apache.lucene.codecs.FieldsConsumer (implements java.io.Closeable)
    - org.apache.lucene.codecs.memory.FSTOrdTermsWriter
    - org.apache.lucene.codecs.memory.FSTTermsWriter
  - org.apache.lucene.codecs.PostingsFormat (implements org.apache.lucene.util.NamedSPILoader.NamedSPI)
    - org.apache.lucene.codecs.memory.DirectPostingsFormat
    - org.apache.lucene.codecs.memory.FSTOrdPostingsFormat
    - org.apache.lucene.codecs.memory.FSTPostingsFormat

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