Annotation Type Snapshot
@Target(METHOD) @Retention(RUNTIME) public @interface SnapshotMarks a method as a snapshot method.
An event sourced behavior may have at most one of these. When provided, it will be periodically (every n events emitted) be invoked to retrieve a snapshot of the current state, to be persisted, so that the event log can be loaded without replaying the entire history.
The method must return the current state of the entity.
The method may accept a