public void Init()
        {
            var customType4 = new CustomType4 { { "1", new AnotherModelTest() } };


            _dictionary = new Dictionary<string, CustomType4> { { "2", customType4 } };
        }
        public void Init()
        {
            CustomType4 customType4 = new CustomType4 {
                { "1", new AnotherModelTest() }
            };

            _dictionary = new Dictionary <string, CustomType4> {
                { "2", customType4 }
            };
        }