Sofu.Sofu.Map stuff = new Sofu.Sofu.Map();
            stuff.SetAttribute("Self",new Sofu.Sofu.Reference("selfref",stuff));
            foreach (KeyValuePair<string,Sofu.SofuObject> entry in stuff) {
                if (entry.Value.IsReference()) {
                    Console.WriteLine("I'm a Reference");
                    if (entry.Value.IsValid()) {
                        Console.Write("I'm point to a ");
                        Console.WriteLine(entry.Value.Target().TypeString());
                    }
                }
            }