Registers a resolver for a custom parameter type created with
a Custom(name) source. current-user resolves directly;
Ctx() uses an internal marker and also resolves directly. Application
custom parameter types, including one named context, use this registry.
Registers a resolver for a custom parameter type created with a
Custom(name)source.current-userresolves directly;Ctx()uses an internal marker and also resolves directly. Application custom parameter types, including one namedcontext, use this registry.