o check if it exists in the request.</dd>
<dt>Returns:</dt>
<dd>True if the header exists in the request.</dd>
</dl>
</div>
</section>
</li>
<li>
<section class="detail" id="hasHeader(java.lang.String)">
<h3>hasHeader</h3>
<div class="horizontal-scroll">
<div class="member-signature"><span class="return-type">boolean</span>&nbsp;<span class="element-name">hasHeader</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/String.html" title="class o