e it to the list of children created during this page
 processing pass, and remove all children present in the old list
 but not the new.  Save the new list as a component attribute so
 that it gets saved as part of the component's state.</li>

 <li>Retrieve from the <a href="../../../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><code>UIComponent</code></a> the set of facet names
 of facets created by <a href="../../../../../javax/faces/webapp/UIComponentTag.html" tit