protected override Registration CreateRegistrationCore <TService, TImplementation>(Container c) => Transient.CreateRegistration <TService, TImplementation>(c);
protected override Registration CreateRegistrationCore <TService>(Func <TService> creator, Container c) => Transient.CreateRegistration(creator, c);
protected internal override Registration CreateRegistrationCore <TConcrete>(Container c) => Transient.CreateRegistration <TConcrete>(c);