anchor.diff:  ///   @override
   ///   ngAfterViewInit() {
   ///     // viewChild is updated after the view has been initialized
  -///     console.log('ngAfterViewInit: ' + _message(viewChild));
  -///   }
  -///
  -///   String _message(cmp: ChildComponent) =>
  +///     print('ngAfterViewInit: ' + _message(viewChild));
  +///   }
  +///
  +///   String _message(ChildComponent cmp) =>
   ///       cmp  == null ? 'no child' : '${cmp.where} child';
   /// }
   ///
  
positive.code: ///     print('AfterViewChecked: ${_message(viewChild)}');
  ///   }
  ///
  ///   String _message(cmp: ChildComponent) =>
  ///       cmp  == null ? 'no child' : '${cmp.where} child';
  /// }
  ///
  
negative.code: /// Implement this interface to get notified after every check of your
  /// directive's content.
  ///
  /// ### Example
  ///
  /// ```dart
  /// @Component(selector: 'child-cmp', template: '{{where}} child')
  