angular-docs-cn/public/docs/_examples/upgrade-module/ts/app/1-to-2-providers/heroes.service.ts

// #docregion
import { Hero } from '../hero';

export class HeroesService {
  get() {
    return [
      new Hero(1, 'Windstorm'),
      new Hero(2, 'Spiderman')
    ];
  }
}