"block"><p class="changed_added_2_0">The <a href="../../../../javax/faces/view/facelets/FaceletHandler.html" title="interface in javax.faces.view.facelets"><code>FaceletHandler</code></a> that
 corresponds to attached objects that represent an instance of <a href="../../../../javax/faces/component/behavior/ClientBehavior.html" title="interface in javax.faces.component.behavior"><code>ClientBehavior</code></a> that must be added to
 the parent component, which must implement <a href="../../../../javax/faces/