dt>Parameters:</dt>
<dd><code>facesContext</code> - the Faces context.</dd>
<dd><code>root</code> - the <code>UIViewRoot</code> that is about to be rendered.</dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalArgumentException</a></code> - if the argument is <code>null</code>.</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
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