https://bookkeeper.apache.org/docs/latest/api/javadoc/org/apache/bookkeeper/bookie/CheckpointSource.Checkpoint.html
CheckpointSource.Checkpoint (Apache BookKeeper :: Parent 4.18.0-SNAPSHOT API)
declaration: package: org.apache.bookkeeper.bookie, interface: CheckpointSource, interface: Checkpoint
apache bookkeepercheckpointparentsnapshotapi