Create the actual router, responsible for routing messages to routees.
the ActorSystem this router belongs to
Dispatcher ID to use for running the “head” actor, which handles supervision, death watch and router management messages
Is the message handled by the router head actor or the #routingLogicController actor.
Possibility to define an actor for controlling the routing logic from external stimuli (e.g.
Check that everything is there which is needed.
Overridable merge strategy, by default completely prefers