@Throws(IOException::class)
    fun parse(statusLine: String): StatusLine {
      // H T T P / 1 . 1   2 0 0   T e m p o r a r y   R e d i r e c t
      // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0

      // Parse protocol like "HTTP/1.1" followed by a space.
      val codeStart: Int
      val protocol: Protocol
      if (statusLine.startsWith("HTTP/1.")) {