OptionalclazzThe class constructor for the service, if applicable.
OptionalfuncA function that returns the service instance.
The unique key identifying the service.
OptionalroThe RONode type for the service, if applicable.
OptionalsgThe SGNode type for the service, if applicable.
OptionalvalueA static value to register as the service.
Represents an item in the IoC (Inversion of Control) service map. Each item defines how a service is registered and resolved.