## Uses of Interface
org.apache.lucene.luke.app.Observer

Packages that use Observer
org.apache.lucene.luke.app: Views (UIs) for Luke

### Uses of Observer in org.apache.lucene.luke.app

Classes in org.apache.lucene.luke.app with type parameters of type Observer
`class` `AbstractHandler<T extends Observer>` Abstract handler class

Subinterfaces of Observer in org.apache.lucene.luke.app
`interface` `DirectoryObserver` Directory open/close observer
`interface` `IndexObserver` Index open/close observer