pl.newicom.eventstore.json
The reason for using Extension mechanism is that pl.newicom.eventstore.json.JsonSerializerExtensionImpl.ActorRefSerializer requires access to ExtendedActorSystem
ExtendedActorSystem (injected automatically by Akka)
The reason for using Extension mechanism is that pl.newicom.eventstore.json.JsonSerializerExtensionImpl.ActorRefSerializer requires access to ExtendedActorSystem