title: OpaqueToken is not a constructor
body: <p>I am trying to create a multilingual website using angular2 from the source code <a href="https://embed.plnkr.co/BnCRsCfB1ZIMoQ4QT6Lg/" rel="nofollow noreferrer">https://embed.plnkr.co/BnCRsCfB1ZIMoQ4QT6Lg/</a> but it is throwing error that </p>
  
  <blockquote>
    <p>opaqueToken is not a constructor. </p>
  </blockquote>
  
  <p>Can anyone help me with this?</p>
  
  <p>I have attached my package.json. Please find it below</p>
  
  <p>`</p>
  
  <pre><code>{
  
  
  "name": "angular-quickstart",
    "version": "1.0.0",
    "description": "QuickStart package.json from the documentation, supplemented with testing support",
    "scripts": {
      "start": "concurrently \"tsc -w\" \"lite-server\" ",
      "e2e": "tsc &amp;&amp; concurrently \"http-server -s\" \"protractor protractor.config.js\" --kill-others --success first",
      "lint": "tslint ./app/**/*.ts -t verbose",
      "lite": "lite-server",
      "pree2e": "webdriver-manager update",
      "test": "tsc &amp;&amp; concurrently \"tsc -w\" \"karma start karma.conf.js\"",
      "test-once": "tsc &amp;&amp; karma start karma.conf.js --single-run",
      "tsc": "tsc",
      "tsc:w": "tsc -w"
    },
    "keywords": [],
    "author": "",
    "license": "MIT",
    "dependencies": {
      "@angular/common": "~2.4.0",
      "@angular/compiler": "~2.4.0",
      "@angular/core": "~2.4.0",
      "@angular/forms": "~2.4.0",
      "@angular/http": "~2.4.0",
      "@angular/platform-browser": "~2.4.0",
      "@angular/platform-browser-dynamic": "~2.4.0",
      "@angular/router": "~3.4.0",
      "angular-in-memory-web-api": "~0.2.2",
      "core-js": "^2.4.1",
      "reflect-metadata": "^0.1.8",
      "rxjs": "5.0.1",
      "systemjs": "^0.20.19",
      "zone.js": "^0.7.4"
    },
    "devDependencies": {
      "concurrently": "^3.1.0",
      "lite-server": "^2.2.2",
      "typescript": "~2.0.10",
      "canonical-path": "0.0.2",
      "http-server": "^0.9.0",
      "tslint": "^3.15.1",
      "lodash": "^4.16.4",
      "jasmine-core": "~2.4.1",
      "karma": "^1.3.0",
      "karma-chrome-launcher": "^2.0.0",
      "karma-cli": "^1.0.1",
      "karma-jasmine": "^1.0.2",
      "karma-jasmine-html-reporter": "^0.2.2",
      "protractor": "~4.0.14",
      "rimraf": "^2.5.4",
      "@types/node": "^6.0.46",
      "@types/jasmine": "^2.5.36"
    },
    "repository": {}
  }
  
  `
  </code></pre>