le</span></code>
        data member indicates a lack of separation of concerns. The representation
        of HTTP messages should not be conflated with the asynchronous model used
        to serialize or parse those messages in the message declarations.
      </p>
<p>
        The next declaration forms the complete implementation class referenced by
        the handle in the public interface (which follows after):
      </p>
<pre class="programlisting"><span class="comment">/// Internal representation of 