ent connection does not support server push, or server push has been disabled by the
 client via a <code>SETTINGS_ENABLE_PUSH</code> settings frame value of <code>0</code> (zero).</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a <a href="../../../jakarta/servlet/http/PushBuilder.html" title="interface in jakarta.servlet.http"><code>PushBuilder</code></a> for issuing server push responses from the current request, or null if push is not
 supported</dd>
<dt><span class="simpleTagLabel">Sinc