class="modifiers">public</span>&nbsp;<span class="element-name">RequestHeaderValuesMap</span><wbr><span class="parameters">(jakarta.servlet.http.HttpServletRequest&nbsp;request)</span></div>
</section>
</li>
</ul>
</section>
</li>
<!-- ============ METHOD DETAIL ========== -->
<li>
<section class="method-details" id="method-detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="containsKey(java.lang.Object)">
<h3>containsKey</h3>
<div class="member-signature"><span class=