# Package org.apache.lucene.search.knn

Classes related to vector search: knn and vector fields.

- Interface Summary
  Interface | Description
  --- | ---
  KnnCollectorManager | KnnCollectorManager responsible for creating `KnnCollector` instances.

- Class Summary
  Class | Description
  --- | ---
  MultiLeafTopKnnCollector | MultiLeafTopKnnCollector is a specific KnnCollector that can exchange the top collected results across segments through a shared global queue.
  TopKnnCollectorManager | TopKnnCollectorManager responsible for creating `TopKnnCollector` instances.