n class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - The <code>Class</code>, which extends <a href="../../../jakarta/servlet/http/HttpUpgradeHandler.html" title="interface in jakarta.servlet.http"><code>HttpUpgradeHandler</code></a>, of the <code>handlerClass</code>.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>handlerClass</code> - The <code>HttpUpgradeHandler</code> class used for the upgrade.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an instance 