MakeHandler returns a handler for the handling service.

NewEventHandler returns a new instance of a EventHandler.

NewInstrumentingService returns an instance of an instrumenting Service.

NewLoggingService returns a new instance of a logging Service.

NewService creates a handling event service with necessary dependencies.

ErrInvalidArgument is returned when one or more arguments are invalid.

EventHandler provides a means of subscribing to registered handling events.

Service provides handling operations.