Java API: ActorRef of the actor replying to the request or
null if no actor matched the request.
(actorIdentity: StringAdd).self
(actorIdentity: StringFormat).self
(actorIdentity: ArrowAssoc[ActorIdentity]).x
(Since version 2.10.0) Use leftOfArrow instead
(actorIdentity: Ensuring[ActorIdentity]).x
(Since version 2.10.0) Use resultOfEnsuring instead
Reply to akka.actor.Identify. Contains
Some(ref)with theActorRefof the actor replying to the request orNoneif no actor matched the request. ThecorrelationIdis taken from themessageIdin theIdentifymessage.