public class SerializationManagment
    {

        private static Dictionary<string, FieldSerializer<object>> classNameToSerializer = new Dictionary<string, FieldSerializer<object>>();



        /*
        [InitializeOnLoadMethod]
        */
        private static void init()
        {
            FieldSerializer<object> ser;
            //niewłaściwe rzutowanie typu
            ser =  new IntSerializer();
        }

    }



    public interface FieldSerializer<T>
    {
        void Serialize(JsonWriter writter, T obj);
        T Deserialize(JsonReader reader);

    }

    public class IntSerializer : FieldSerializer<int>
    {
        public int Deserialize(JsonReader reader)
        {
            return 0;
        }

        public void Serialize(JsonWriter writter, int obj)
        {
            writter.WriteValue(obj);
        }
    }