# Package org.apache.lucene.codecs.lucene84

Components from the Lucene 8.4 index format.

See: Description

- Class Summary
  Class | Description
  --- | ---
  ForDeltaUtil | Utility class to encode/decode increasing sequences of 128 integers.
  Lucene84PostingsFormat | Lucene 5.0 postings format, which encodes postings in packed integer blocks for fast decode.
  Lucene84PostingsFormat.IntBlockTermState | Holds all state required for `Lucene84PostingsReader` to produce a `PostingsEnum` without re-seeking the terms dict.
  Lucene84PostingsReader | Concrete class that reads docId(maybe frq,pos,offset,payloads) list with postings format.
  Lucene84PostingsWriter | Concrete class that writes docId(maybe frq,pos,offset,payloads) list with postings format.

## Package org.apache.lucene.codecs.lucene84 Description

Components from the Lucene 8.4 index format. See `org.apache.lucene.codecs.lucene86` for an overview of the current index format.

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