# Package org.apache.lucene.backward_codecs.lucene87

package org.apache.lucene.backward_codecs.lucene87
Lucene 8.7 file format.

- Related Packages
  Package
  Description
  org.apache.lucene.backward_codecs
  Common APIs for use by backwards compatibility codecs.
- Class
  Description
  DeflateWithPresetDictCompressionMode
  A compression mode that trades speed for compression ratio.
  Lucene87Codec
  Implements the Lucene 8.6 index format, with configurable per-field postings and docvalues formats.
  Lucene87Codec.Mode
  Configuration option for the codec.
  Lucene87StoredFieldsFormat
  Lucene 8.7 stored fields format.
  Lucene87StoredFieldsFormat.Mode
  Configuration option for stored fields.
  LZ4WithPresetDictCompressionMode
  A compression mode that compromises on the compression ratio to provide fast compression and decompression.