private val raw: Socket,
    private val firstExchangePeek: MockResponse,
  ) {
    private var nextExchangeIndex = 0

    @Throws(Exception::class)
    fun handle() {
      if (!processTunnelRequests()) return

      val protocol: Protocol
      val socket: MockWebServerSocket
      when {
        sslSocketFactory != null -> {
          if (firstExchangePeek.failHandshake) {