SuppliedTypeRegistryKey
Base class for RegistryKey implementations whose identity depends on supplied type arguments.
Subclasses are typically nested Key types inside suppliable declarations and are annotated with Suppliable. Two keys are equal when they have the same runtime class and their Supply-annotated type parameters are described by equal SuppliedType values (obtained via suppliedTypeOf). This allows distinct key instances that share the same supplied types to be treated as the same key inside a ProviderRegistry.
Type Parameters
T
The type of the value associated with this key in a registry.