无法注入 ActivatedRouteSnapshot

向组件中注入 ActivatedRouteSnapshot 不起作用(注入 ActivatedRoute 也不起作用):

"Error: Can't resolve all parameters for ActivatedRouteSnapshot: (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?).
at SyntaxError.ZoneAwareError (http://localhost:4200/polyfills.bundle.js:7042:33)
at SyntaxError.BaseError [as constructor] (http://localhost:4200/vendor.bundle.js:73735:16)
at new SyntaxError (http://localhost:4200/vendor.bundle.js:6140:16)
at CompileMetadataResolver._getDependenciesMetadata (http://localhost:4200/vendor.bundle.js:19345:31)
at CompileMetadataResolver._getTypeMetadata (http://localhost:4200/vendor.bundle.js:19220:26)
at CompileMetadataResolver._getInjectableMetadata (http://localhost:4200/vendor.bundle.js:19208:21)
at CompileMetadataResolver.getProviderMetadata (http://localhost:4200/vendor.bundle.js:19450:40)
at http://localhost:4200/vendor.bundle.js:19408:49
at Array.forEach (native)
at CompileMetadataResolver._getProvidersMetadata (http://localhost:4200/vendor.bundle.js:19375:19)
at CompileMetadataResolver.getNonNormalizedDirectiveMetadata (http://localhost:4200/vendor.bundle.js:18848:30)
at CompileMetadataResolver._loadDirectiveMetadata (http://localhost:4200/vendor.bundle.js:18736:23)
at http://localhost:4200/vendor.bundle.js:18937:54
at Array.forEach (native)
at CompileMetadataResolver.loadNgModuleDirectiveAndPipeMetadata (http://localhost:4200/vendor.bundle.js:18936:41)"

在组件中，ActivatedRouteSnapshot 被注入如下:

constructor([...], private router: Router,
private route: ActivatedRouteSnapshot) {
[...]
}

在 app.component.ts中提供了 ActivatedRouteSnapshot:

@Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css'],
providers: [[...], ActivatedRouteSnapshot]
})

我试图访问查询参数，类似于这里的操作: https://stackoverflow.com/a/38997116/3433306

根据文档，只需将它添加到构造函数参数 https://angular.io/docs/ts/latest/api/router/index/ActivatedRouteSnapshot-interface.html中即可

为了成功注入 ActivatedRouteSnapshot，我错过了什么？