Optional
clazzThe class constructor for the service, if applicable.
Optional
funcA function that returns the service instance.
The unique key identifying the service.
Optional
roThe RONode type for the service, if applicable.
Optional
sgThe SGNode type for the service, if applicable.
Optional
valueA 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.