troyed(ConversationScoped.class)</code> is fired when the conversation is destroyed.
 The event payload is:
 </p>
 <ul>
 <li>the conversation id if the conversation context is destroyed and is not associated with a current Servlet request, or</li>
 <li>the <code>ServletRequest</code> if the application is a web application deployed to a Servlet container, or</li>
 <li>any <code>java.lang.Object</code> for other types of application.</li>
 </ul>

 <p>
 The conversation context provides access to state associ