anchor.diff:      NgFor,
       ToolbarViewContainer,
     ],
  -  // TODO(b/71710685): Change to `Visibility.local` to reduce code size.
  -  visibility: Visibility.all,
   )
   class ToolbarComponent {
     @ContentChildren(ToolbarPart)
  
positive.code:     NgIf,
      SomeViewport,
    ],
    // TODO(b/71710685): Change to `Visibility.local` to reduce code size.
    visibility: Visibility.all,
  )
  class DestroyParentViewComponent {
    bool visible = true;
  }
  
  @Component(
    selector: 'empty-template',
    template: '<template></template>',
    // TODO(b/71710685): Change to `Visibility.local` to reduce code size.
    visibility: Visibility.all,
  )
  class EmptyTemplateComponent {}
  
  
negative.code:     ToolbarComponent,
      ToolbarPart,
    ],
  )
  class TemplateRefTransplantComponent {
    String prop = 'From component';
  