tBehaviorHolder</code></a> contract must declare that the
 subclass implements <a href="../behavior/ClientBehaviorHolder.html" title="interface in jakarta.faces.component.behavior"><code>ClientBehaviorHolder</code></a>, and must override this method to
 return a non-Empty <code>Collection</code> of the client event names that the component supports.
 </p></div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../behavior/ClientBehaviorHolder.html#getEventNames()">getEventNames</a></code>&nbsp;in