ll <a href="../../../jakarta/servlet/http/HttpServletResponse.html#getHeaderNames--"><code>HttpServletResponse.getHeaderNames()</code></a> on the wrapped response
 object.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or inte