# Uses of Class
org.apache.lucene.codecs.hnsw.FlatVectorsFormat

Packages that use FlatVectorsFormat
Package
Description
org.apache.lucene.codecs.lucene99
Lucene 9.9 file format.

## Uses of FlatVectorsFormat in org.apache.lucene.codecs.lucene99

Subclasses of FlatVectorsFormat in org.apache.lucene.codecs.lucene99
Modifier and Type
Class
Description
`final class`
`Lucene99FlatVectorsFormat`
Lucene 9.9 flat vector format, which encodes numeric vector values
`class`
`Lucene99ScalarQuantizedVectorsFormat`
Format supporting vector quantization, storage, and retrieval