cessary to fully
            support arbitrary forwarded parameter lists for each of the headers,
            body, and trailers members, the requirement to know in advance whether
            a particular HTTP field will be located in the headers or the trailers
            poses an unnecessary complication for general purpose functions that
            operate on messages.
          </li>
<li class="listitem">
            The declarations imply that <code class="computeroutput"><span class="identifier">st