jakarta.servlet.http"><code>PushBuilder</code></a> for issuing server push responses from the current request, or <code>null</code> if push is
 not supported. Note that some implementations may opt not to support server push and will therefore always return
 <code>null</code></dd>
<dt>Since:</dt>
<dd>Servlet 4.0</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getContextPath()">
<h3>getContextPath</h3>
<div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/ja