l to this
 method in Servlet3 will return the mapping for Servlet1.</li>
 <li>For a sequence Servlet1&nbsp;--async--&gt;&nbsp;Servlet2&nbsp;--named-forward--&gt;&nbsp;Servlet3, a call to this
 method in Servlet3 will return the mapping for Servlet2.</li>
 </ul>
 </p>
 <p>
 The returned object is immutable. Servlet 4.0 compliant implementations must override this method.
 </p></div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>An instance of <code>HttpServletMapping</code> describing the manne