public WhenRunningInTheDebuggerInjectedSingletonRegistrationShould()
        {
            var sut = new InjectedSingletonRegistration <DebuggerDisplayTestsBase>(null);

            _implementationType = sut.ImplementationType;
            GetDebuggerDisplay(sut);
        }
        /// <summary>
        /// Accepts the <see cref="InjectedSingletonRegistration{TImplementation}"/> to visit.
        /// </summary>
        /// <param name="registration">
        /// The <see cref="InjectedSingletonRegistration{TImplementation}"/> to visit.
        /// </param>
        public void Accept(InjectedSingletonRegistration <TImplementation> registration)
        {
            if (registration == null)
            {
                throw new ArgumentNullException(nameof(registration));
            }

            IComposition composition = new InjectedSingletonComposition <TImplementation>(registration.Value);

            _container.AddComposition(composition);
        }