The list of connected endpoints to which this one should/could forward the request.
The list of connected endpoints to which this one should/could forward the request. If the hook func returns true, the message will be sent to the actor returned from provider.
no endpoint available - completes the request with a 404
no endpoint available - completes the request with a 404
A convenience method to get the actor ref
Message handling common to all endpoints, must be chained
Message handling common to all endpoints, must be chained