Button component not leveraging metadata inheritance.

my_button_component.dart

import 'package:angular/angular.dart';

import 'my_button_directive.dart';

@Component(
  selector: 'my-button',
  template: '<ng-content></ng-content>',
  inputs: const ['disabled'],
  outputs: const ['trigger'],
  host: const {
    '(click)': r'onClick($event)',
    '(keypress)': r'onKeyPress($event)',
  },
)
class MyButtonComponent extends MyButtonDirective {}