title: Nancy: How to return null as JSON value?
body: <p>The following code returns nothing to browser:</p>
  
  <pre><code>return this.Response.AsJson((object)null, statusCode);
  </code></pre>
  
  <p>There are simply no content in the response stream:</p>
  
  <p>HTTP/1.1 200 OK<br>
  Cache-Control: private<br>
  Content-Type: application/json; charset=utf-8<br>
  Content-Length: 0  </p>