
  <li>Encapsulate the notification (callback) method of the interested object.</li>
  <li>Encapsulate the notification context (this) of the interested object.</li>
  <li>Provide methods for setting the interested object' notification method and context.</li>
  <li>Provide a method for notifying the interested object.</li>
  </ul></p>
<p><p>PureMVC does not rely upon underlying event
  models such as the one provided with Flash.</p></p>
<p><p>The Observer Pattern as implemented within
  PureMVC exists to s