anchor.diff:  @Component(
     selector: 'property-access',
     template: '''prop:{{model.foo}};map:{{model['foo']}}''',
  -  // TODO(b/71710685): Change to `Visibility.local` to reduce code size.
  -  visibility: Visibility.all,
   )
   class PropertyAccess {
     final model = new PropModel();
  
positive.code:   selector: 'container-with-propertyaccess',
    template: '<property-access></property-access>',
    directives: const [PropertyAccess],
    // TODO(b/71710685): Change to `Visibility.local` to reduce code size.
    visibility: Visibility.all,
  )
  class ContainerWithPropertyAccess {
    dynamic value;
  
negative.code: @Component(
    selector: 'on-change',
    template: '',
  )
  class OnChangeComponent implements OnChanges {
    Map changes;
  