* received without TLS.
   */
  val handshake: Handshake?
  val requestUrl: HttpUrl?

  /**
   * Returns the name of the server the client requested via the SNI (Server Name Indication)
   * attribute in the TLS handshake. Unlike the rest of the HTTP exchange, this name is sent in
   * cleartext and may be monitored or blocked by a proxy or other middlebox.
   */
  val handshakeServerNames: List<String>

  init {

      "h" -> host = value
      "port" -> port = value
      "p" -> path = value
      "q" -> query = value
      "f" -> fragment = value
      else -> throw IllegalArgumentException("unexpected attribute: $value")
    }
  }

  override fun toString(): String = format("Parsing: <%s> against <%s>", input!!, base!!)

  companion object {
    fun load(source: BufferedSource): List<WebPlatformUrlTestData> {