Supervisors enable users to supervise a subtree of children or other supervisor trees under themselves.
The strategy for a supervisor which is used for restoring failed actors. It it fails after N attempts, the supervisor will remove an actor.
A "reference" to a
The strategy for restating an actor as far as it returned an failure.
The restart policy which is used during restoring failed actors by the supervisor.
The strategy a supervisor should use when one of its supervised children groups or supervisors dies (in the case of a children group, it could be because one of its elements panicked or returned an error).