如何监听ChangeNotifier内部平面对象属性的变化？

import 'package:flutter/foundation.dart';

class MyModel extends ChangeNotifier {
  String _property;

  String get property => _property;

  set property(String value) {
    _property = value;
    notifyListeners();
  }
}

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

class MyWidget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return ChangeNotifierProvider(
      create: (context) => MyModel(),
      child: Consumer<MyModel>(
        builder: (context, myModel, child) {
          return Text(myModel.property);
        },
      ),
    );
  }
}