>FacesContext</a>&nbsp;context)</pre>
<div class="block"><p class="changed_added_2_2">
 Methods that append the ClientWindow to generated URLs must call this method to see if they are permitted to do so.
 If <a href="../../../jakarta/faces/lifecycle/ClientWindow.html#CLIENT_WINDOW_MODE_PARAM_NAME"><code>CLIENT_WINDOW_MODE_PARAM_NAME</code></a> is "url" without the quotes, all generated URLs that cause a GET request
 must append the ClientWindow by default. This is specified as a static method because callsi