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