Angular4我应该使用Iterable的定义

我已将我的应用程序升级到最新的Angular 4(beta-8)版本.但是我一直有以下错误：

我确实查找了更改日志,发现：

我应该在这里使用什么作为Iterable定义？

编辑：

tsconfig.json

"compilerOptions": {
    "target": "es5","module": "commonjs","moduleResolution": "node",/* for reading your ts source while debugging from a browser */
    "sourceMap": true,/* the following two setTings are required for angular2 Annotations to work*/
    "emitDecoratorMetadata": true,"experimentalDecorators":true,/* noImplicitAny when you want your typescript to be fully typed */
    "noImplicitAny":false,"suppressImplicitAnyIndexErrors":true,"nofallthroughCasesInSwitch":true,"noImplicitReturns":true,"outDir": "./target/ts"
  }

{
  ...,"compilerOptions" : {
     ...,"lib": ["es6","dom","es2015.iterable"]
   }
}