(subscribeTransitionCallBack: StringAdd).self
(subscribeTransitionCallBack: StringFormat).self
(subscribeTransitionCallBack: ArrowAssoc[SubscribeTransitionCallBack]).x
(Since version 2.10.0) Use leftOfArrow
instead
(subscribeTransitionCallBack: Ensuring[SubscribeTransitionCallBack]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
Send this to an akka.actor.FSM to request first the FSM.CurrentState and then a series of FSM.Transition updates. Cancel the subscription using FSM.UnsubscribeTransitionCallBack.