is tag handler
 instance were explicitly set. This method must be called <strong>ONLY</strong> if the specified <a href="../../../../../jakarta/faces/component/UIComponent.html" title="class in jakarta.faces.component"><code>UIComponent</code></a>
 was in fact created during the execution of this tag handler instance, and this call will occur
 <strong>BEFORE</strong> the <a href="../../../../../jakarta/faces/component/UIComponent.html" title="class in jakarta.faces.component"><code>UIComponent</code></a> is