public static Dictionary<string, int> ReturnDictionary()
        {
            var dictionary = new Dictionary<string, int>();
            dictionary.Add("A", 1);
            dictionary.Add("B", 2);
            dictionary.Add("C", 3);
            dictionary.Add("D", 4);
            return dictionary;
        }
 [MultiReturn(new string[] {"H", "G", "F", "E"})]
        public static Dictionary<string, object> ReturnNestedDictionary()
        {
            var dict = ReturnDictionary();
            var dictionary = new Dictionary<string, object>();
            dictionary.Add("E", 1);
            dictionary.Add("F", 2);
            dictionary.Add("G", dict);
            dictionary.Add("H", false);
            return dictionary;
        }
 public static Dictionary<string, object> ReturnArbitraryDictionary()
        {
            var dict = ReturnDictionary();
            var dictionary = new Dictionary<string, object>();
            dictionary.Add("E", 1);
            dictionary.Add("F", new Dummy());
            dictionary.Add("G", dict);
            dictionary.Add("H", false);
            dictionary.Add("I", new object[] {1, 2, 3, 4, new DummyCollection()});

            return dictionary;
        }

        public static IDictionary ReturnIDictionary()
        {
            return ReturnDictionary();
        }

        public static IDictionary ReturnNestedIDictionary()
        {
            return ReturnNestedDictionary();
        }
public static IDictionary AcceptNestedDictionary(Dictionary<string, object> dictionary)
        {
            return dictionary;
        }
public static IDictionary AcceptIDictionary(IDictionary dictionary)
        {
            return dictionary;
        }