 for the methods defined by
 <a href="../../../../javax/faces/component/behavior/ClientBehaviorHolder.html" title="interface in javax.faces.component.behavior"><code>ClientBehaviorHolder</code></a> to simplify
 subclass implementations.   Subclasses that wish to support the
 <a href="../../../../javax/faces/component/behavior/ClientBehaviorHolder.html" title="interface in javax.faces.component.behavior"><code>ClientBehaviorHolder</code></a> contract
 must declare that the subclass implements
 <a href="../..