li>
        <li><a class="deprecated" href="dart-io/HttpStatus/SERVICE_UNAVAILABLE-constant.html">SERVICE_UNAVAILABLE</a></li>
        <li><a href="dart-io/HttpStatus/serviceUnavailable-constant.html">serviceUnavailable</a></li>
        <li><a class="deprecated" href="dart-io/HttpStatus/SWITCHING_PROTOCOLS-constant.html">SWITCHING_PROTOCOLS</a></li>
        <li><a href="dart-io/HttpStatus/switchingProtocols-constant.html">switchingProtocols</a></li>
        <li><a class="deprecated" href="dart-io/HttpStatus