faces/component/UIViewRoot.html" title="class in jakarta.faces.component"><code>UIViewRoot</code></a> returned by a previous call to <code>restoreTreeStructure()</code></dd>
<dd><code>renderKitId</code> - the renderKitId used to render this response. Must not be <code>null</code>.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentE