anchor.diff:  
     _Deserializer() {
       register(DynamicDeserializer.instance);
  +    register<Object>(DynamicDeserializer.instance);
  +    register<DynamicObject>(DynamicObjectDeserializer.instance);
       register<num>(NumDeserializer.instance);
       register<int>(IntDeserializer.instance);
       register<double>(DoubleDeserializer.instance);
  
positive.code:     register<List<DateTime>>(new ListDeserializer<DateTime>());
      register<List<Uint8List>>(new ListDeserializer<Uint8List>());
      register<List<List>>(new ListDeserializer<List>());
      register<List<Map>>(new ListDeserializer<Map>());
      register<List<DynamicObject>>(new ListDeserializer<DynamicObject>());
      register<List<Map<String, dynamic>>>(
          new ListDeserializer<Map<String, dynamic>>());
      register<List<Map<int, dynamic>>>(
          new ListDeserializer<Map<int, dynamic>>());
      register<List<List<List>>>(new ListDeserializer<List<List>>());
      register<List<List<Map>>>(new ListDeserializer<List<Map>>());
      register<List<List<Map<String, dynamic>>>>(
          new ListDeserializer<List<Map<String, dynamic>>>());
      register<List<List<Map<int, dynamic>>>>(
          new ListDeserializer<List<Map<int, dynamic>>>());
      register<Set>(SetDeserializer.instance);
      register<Set<num>>(new SetDeserializer<num>());
      register<Set<int>>(new SetDeserializer<int>());
      register<Set<double>>(new SetDeserializer<double>());
      register<Set<String>>(new SetDeserializer<String>());
      register<Map>(MapDeserializer.instance);
      register<Map<int, dynamic>>(new MapDeserializer<int, dynamic>());
      register<Map<String, dynamic>>(new MapDeserializer<String, dynamic>());
      register<DynamicObject>(DynamicObjectDeserializer.instance);
    }
  
    void register<T>(AbstractDeserializer deserializer) {
  
negative.code: |                                                          |
  | hprose Deserializer for Dart.                            |
  |                                                          |
  | LastModified: Feb 26, 2019                               |
  | Author: Ma Bingyao <andot@hprose.com>                    |
  |                                                          |
  \*________________________________________________________*/
  