class DynamicValues {
  static Widget get image => floop['image'];
  static set image(Widget widget) => floop['image'] = widget;
  // Here should go all the reads and writes to `floop`
}

/// It's also possible to create a local [ObservedMap].
/// `floop` is just an instance of [ObservedMap].
class DynamicValuesLocal {
  static ObservedMap<String, dynamic> dyn = ObservedMap();

  static Widget get image => dyn['image'];
  static set image(Widget widget) => dyn['image'] = widget;
}