behaviour of this method is to call <a href="../../../jakarta/servlet/http/HttpServletResponse.html#getHeaders-java.lang.String-"><code>HttpServletResponse.getHeaders(java.lang.String)</code></a> on the wrapped response
 object.

 <p>
 Any changes to the returned <code>Collection</code> must not affect this <code>HttpServletResponseWrapper</code>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../jakarta/servlet/http/HttpServletResponse.html#getHeaders-j