anchor.diff:  }
   
   /// Implement this interface to get notified when any data-bound property of
  -/// your directive changes.
  +/// your directive is changed by the Angular framework.
   ///
   /// [ngAfterChanges] is called right after the data-bound properties have been
   /// checked and before view and content children are checked if at least one of
  
positive.code: }
  
  /// Implement this interface to get notified when any data-bound property of
  /// your directive changes.
  ///
  /// [ngOnChanges] is called right after the data-bound properties have been
  /// checked and before view and content children are checked if at least one of
  
negative.code:     show SimpleChange;
  
  /// Lifecycle hooks are guaranteed to be called in the following order:
  /// - `onChanges` (if any bindings have been changed by the Angular framework),
  /// - `onInit` (after the first check only),
  /// - `doCheck`,
  /// - `afterContentInit`,
  