https://bookkeeper.apache.org/docs/latest/api/javadoc/org/apache/bookkeeper/server/http/service/BookieStateReadOnlyService.ReadOnlyState.html
BookieStateReadOnlyService.ReadOnlyState (Apache BookKeeper :: Parent 4.18.0-SNAPSHOT API)
declaration: package: org.apache.bookkeeper.server.http.service, class: BookieStateReadOnlyService, class: ReadOnlyState
apache bookkeeperparentsnapshotapi