n-null, call
 <a href="../../../jakarta/faces/lifecycle/ClientWindow.html#decode-jakarta.faces.context.FacesContext-"><code>ClientWindow.decode(jakarta.faces.context.FacesContext)</code></a> on it. Store the new <code>ClientWindow</code> by
 calling <a href="../../../jakarta/faces/context/ExternalContext.html#setClientWindow-jakarta.faces.lifecycle.ClientWindow-"><code>ExternalContext.setClientWindow(jakarta.faces.lifecycle.ClientWindow)</code></a>.
 </p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Ov