anchor.diff:    //
     // Age property
     //
  -  int get age(){
  -    return _ageProperty.get(this);
  -  }
  +  int get age() => _ageProperty.get(this);
   
     void set age(int value){
       _ageProperty.set(this, value);
  
positive.code:   //
    // Property changed event
    //
    EventRoot<String> get propertyChanged(){
      return _propertyChangedEventHandle;
    }
  
    void reset(){
      _nameProperty.clear(this);
  
negative.code:   //
    // Name property
    //
    String get name() => _nameProperty.get(this);
  
    void set name(String value){
      _nameProperty.set(this, value);
  