@Component({
  selector: 'app-root',
  template: `
    ‹h1›Tour of Heroes‹/h1›
    ‹app-hero-main [hero]="hero"›‹/app-hero-main›
  `,
  styleUrls: ['./hero-app.component.css']
})
export class HeroAppComponent {
/* . . . */
}