title: Firebase EmailPasswordAuthProvider Does Not Exist on Type Auth
body: <p>In an Angular2 / TypeScript environment, the following code from Firebase documentation errors with "EmailPasswordAuthProvider Does Not Exist on Type Auth".</p>
  
  <pre><code>var credential = firebase.auth.EmailPasswordAuthProvider.credential(email, password);
  </code></pre>
  
  <p><a href="https://firebase.google.com/docs/auth/web/anonymous-auth" rel="nofollow">https://firebase.google.com/docs/auth/web/anonymous-auth</a>
  Convert an anonymous account to a permanent account</p>
  
  <p>Have installed the latest Firebase typings version: firebase@3.0.5</p>
  
  <p>Note that other Firebase methods are working okay and that the auth object requires the open/close brackets e.g.</p>
  
  <pre><code>firebase.auth().createUserWithEmailAndPassword(email, password);
  </code></pre>