/WebSocketStatus-class.html#constants">Constants</a></li>
      <li><a href="dart-io/WebSocketStatus/ABNORMAL_CLOSURE-constant.html">ABNORMAL_CLOSURE</a></li>
      <li><a href="dart-io/WebSocketStatus/GOING_AWAY-constant.html">GOING_AWAY</a></li>
      <li><a href="dart-io/WebSocketStatus/INTERNAL_SERVER_ERROR-constant.html">INTERNAL_SERVER_ERROR</a></li>
      <li><a href="dart-io/WebSocketStatus/INVALID_FRAME_PAYLOAD_DATA-constant.html">INVALID_FRAME_PAYLOAD_DATA</a></li>
      <li><a href="dart-io/WebSo