See documentation for ActorClassification An EventBus where the Subscribers are ActorRefs and the Classifier is ActorRef Means that ActorRefs "listen" to other ActorRefs E is the Event type
See documentation for LookupClassification E is the Event type S is the Subscriber type C is the Classifier type
See documentation for ScanningClassification E is the Event type S is the Subscriber type C is the Classifier type
See documentation for SubchannelClassification E is the Event type S is the Subscriber type C is the Classifier type