rs <strong>only</strong> if the corresponding
 <a href="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><code>UIComponent</code></a> was created (by the owning <a href="../../../javax/faces/webapp/UIComponentTag.html" title="class in javax.faces.webapp"><code>UIComponentTag</code></a>) during the execution of the current page.</p>

 <p>This class may be used as a base class for tag instances that
 support specific <a href="../../../javax/faces/convert/Converter.html" 