# All Packages

- Package Summary
  Package | Description
  --- | ---
  org.apache.lucene.payloads | Experimental classes for interacting with payloads
  org.apache.lucene.sandbox.codecs.idversion | A primary-key postings format that associates a version (long) with each term and can provide fail-fast lookups by ID and version.
  org.apache.lucene.sandbox.document | This package contains several point types: `BigIntegerPoint` for 128-bit integers `LatLonPoint` for latitude/longitude geospatial points
  org.apache.lucene.sandbox.index | Experimental index-related classes
  org.apache.lucene.sandbox.queries | Additional queries (some may have caveats or limitations)
  org.apache.lucene.sandbox.search | This package contains a flexible graph-based proximity query, TermAutomatonQuery, and geospatial queries.