<li><a href="#HttpMessage_getHeaders">HttpMessage::getHeaders()</a></li>
<li><a href="#HttpMessage_setHeaders">HttpMessage::setHeaders()</a></li>
<li><a href="#HttpMessage_addHeaders">HttpMessage::addHeaders()</a></li>
<li><a href="#HttpMessage_getHeaders">HttpMessage::getHeaders()</a></li>
<li><a href="#HttpMessage_setHeaders">HttpMessage::setHeaders()</a></li>
<li><a href="#HttpMessage_addHeaders">HttpMessage::addHeaders()</a></li>