angular-docs-cn/public/docs/_examples/dependency-injection/ts/app/main.ts

//#docregion
import {bootstrap}          from 'angular2/platform/browser';
import {AppComponent}       from './app.component';
import {ProvidersComponent} from './providers.component';

//#docregion bootstrap
bootstrap(AppComponent);
//#enddocregion bootstrap
bootstrap(ProvidersComponent);