a>&lt;T&gt;&nbsp;handlerClass)</code></div>
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<div class="block">Creates an instance of <code>HttpUpgradeHandler</code> for a given class and uses it for the http protocol upgrade
 processing.</div>
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<div class="inherited-list">
<h3 id="methods-inherited-from-class-jakarta.servlet.ServletRequest">Methods inherited from interface&nbsp;jakarta.servlet.<a href="../ServletReque