anchor.diff:  /// Implement this interface to get notified after every check of your
   /// component's view.
   ///
  -/// ## Example
  +/// ### Example
   ///
   /// ```dart
   /// @Component(selector: 'child-cmp', template: '{{where}} child')
  
positive.code: ///   template: '<parent-cmp></parent-cmp>',
  ///   directives: const [ParentComponent]
  /// )
  /// export class App {
  /// }
  ///
  /// bootstrap(App);
  /// ```
  abstract class AfterViewInit {
    ngAfterViewInit();
  
negative.code: /// )
  /// class ParentComponent implements AfterViewInit {
  ///   @ViewChild(ChildComponent)
  ///   ChildComponent viewChild;
  ///
  ///   ParentComponent() {
  ///     // viewChild is not initialized yet
  