/// <summary>
 /// Registers the service on the specified container.
 /// </summary>
 /// <typeparam name="TService">The type of the service.</typeparam>
 /// <param name="container">The container.</param>
 /// <param name="instance">The instance.</param>
 /// <returns>The container.</returns>
 public static SimpleContainer Instance <TService>(this SimpleContainer container, TService instance)
 {
     container.RegisterInstance(typeof(TService), null, instance);
     return(container);
 }