getRequestSecWebSocketVersion :: RequestHead -> Maybe B.ByteString
getRequestSecWebSocketVersion p =
    lookup "Sec-WebSocket-Version" (requestHeaders p)
getRequestSecWebSocketVersion :: RequestHead -> Maybe B.ByteString
getRequestSecWebSocketVersion p =
    lookup "Sec-WebSocket-Version" (requestHeaders p)
getRequestSecWebSocketVersion p =
    lookup "Sec-WebSocket-Version" (requestHeaders p)