val codeStart: Int
      val protocol: Protocol
      if (statusLine.startsWith("HTTP/1.")) {
        if (statusLine.length < 9 || statusLine[8] != ' ') {
          throw ProtocolException("Unexpected status line: $statusLine")
        }
        val httpMinorVersion = statusLine[7] - '0'
        codeStart = 9
        protocol =
          when (httpMinorVersion) {