title: How do I simulate the default Bucket for local app engine launcher on localhost?
body: <p>On GAE cloud platform I can use it through </p>
  
  <pre><code>file_put_contents('gs://#default#/hello.txt', 'Hello');
  </code></pre>
  
  <p>or return the bucket name with </p>
  
  <pre><code>CloudStorageTools::getDefaultGoogleStorageBucketName() 
  </code></pre>
  
  <p>How do I simulate the cloud storage bucket in my localhost app launcher?</p>