# Uses of Package
org.apache.lucene.backward_codecs.lucene90

Packages that use org.apache.lucene.backward_codecs.lucene90
Package
Description
org.apache.lucene.backward_codecs.lucene90
Lucene 9.0 file format.

- Classes in org.apache.lucene.backward_codecs.lucene90 used by org.apache.lucene.backward_codecs.lucene90
  Class
  Description
  Lucene90BoundsChecker
  A helper class for an hnsw graph that serves as a comparator of the currently set bound value with a new value.
  Lucene90Codec.Mode
  Configuration option for the codec.
  Lucene90NeighborArray
  NeighborArray encodes the neighbors of a node and their mutual scores in the HNSW graph as a pair of growable arrays.
  Lucene90OnHeapHnswGraph
  An `HnswGraph` where all nodes and connections are held in memory.
  Lucene90PostingsFormat.IntBlockTermState
  Holds all state required for `Lucene90PostingsReader` to produce a `PostingsEnum` without re-seeking the terms dict.