static void Main()
{
var basket = new Basket();
var root = new RootObject {
Container = basket
};
basket.AddBanana();
var clone = Serializer.DeepClone(root);
Console.WriteLine(clone.Container.Fruits.Count == 1); // true
Console.WriteLine(clone.Container.Bananas.Count == 1); // true
Console.WriteLine(ReferenceEquals(
clone.Container.Bananas[0],
clone.Container.Fruits[0])); // true
Console.WriteLine(ReferenceEquals(
clone.Container.Fruits[0].ContainedBy,
clone.Container)); // true
}