//tools.ietf.org/html/rfc7230#section-3.1.2" target="_top">status-code</a>
            of <a class="link" href="../../boost__beast__http__status.html" title="http::status"><code class="computeroutput"><span class="identifier">http</span><span class="special">::</span><span class="identifier">switching_protocols</span></code></a> is sent
            to the peer, otherwise a non-successful error is associated with the
            operation. If the request size exceeds the capacity of the stream's internal
   