"><span class="typeNameLabel">HttpServletRequestWrapper.</span><code><span class="memberNameLink"><a href="../http/HttpServletRequestWrapper.html#upgrade(java.lang.Class)">upgrade</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>&lt;T&gt;&nbsp;handlerClass)</code></th>
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<div class="block">Create an instance of <code>HttpUpgradeHandler</code> 