constructor(
    code: Int = 200,
    headers: Headers = headersOf(),
    body: String = "",
    inTunnel: Boolean = false,
    socketPolicy: SocketPolicy = KeepOpen,
  ) : this(
    Builder()
      .apply {
        this.code = code
        this.headers.addAll(headers)
        if (inTunnel) inTunnel()
        this.body(body)
        this.socketPolicy = socketPolicy
      },
  )

    when (socketPolicy) {
      SocketPolicy.EXPECT_CONTINUE, SocketPolicy.CONTINUE_ALWAYS -> {
        result.add100Continue()
        KeepOpen
      }
      SocketPolicy.UPGRADE_TO_SSL_AT_END -> {
        result.inTunnel()
        KeepOpen
      }
      else -> wrapSocketPolicy()
    }
  result.throttleBody(throttleBytesPerPeriod, getThrottlePeriod(MILLISECONDS), MILLISECONDS)
  result.bodyDelay(getBodyDelay(MILLISECONDS), MILLISECONDS)

          handshakeCertificates.sslSocketFactory(),
          handshakeCertificates.trustManager,
        )
        .proxy(server.toProxyAddress())
        .build()

    server.enqueue(MockResponse(inTunnel = true))
    server.enqueue(MockResponse())

    val call =
      client.newCall(
        Request(
          url =
            server.url("/").newBuilder()
              .host(hostnameOrIpAddress)

    server.enqueue(
      MockResponse(
        code = 407,
        headers = headersOf("Proxy-Authenticate", "Basic realm=\"localhost\""),
        inTunnel = true,
      ),
    )
    server.enqueue(
      MockResponse(inTunnel = true),
    )
    server.enqueue(
      MockResponse(body = "response body"),
    )
    client =
      client.newBuilder()
        .sslSocketFactory(

    server.useHttps(handshakeCertificates.sslSocketFactory())
    val queueDispatcher = QueueDispatcher()
    queueDispatcher.enqueueResponse(MockResponse(inTunnel = true))
    queueDispatcher.enqueueResponse(MockResponse(inTunnel = true))
    queueDispatcher.enqueueResponse(MockResponse(body = "call2 response"))
    queueDispatcher.enqueueResponse(MockResponse(body = "call1 response"))

    enableTlsWithTunnel()
    server.enqueue(
      MockResponse.Builder()
        .inTunnel()
        .code(407)
        .addHeader("Proxy-Authenticate: Basic realm=\"localhost\"")
        .addHeader("Connection: close")
        .build(),
    )
    server.enqueue(
      MockResponse.Builder()
        .inTunnel()
        .build(),
    )
    server.enqueue(MockResponse())
    client =

     * calls should be attempted on the socket.
     */
    @Throws(IOException::class, InterruptedException::class)
    private fun processTunnelRequests(): Boolean {
      if (!dispatcher.peek().inTunnel) return true // No tunnel requests.

      val source = raw.source().buffer()
      val sink = raw.sink().buffer()
      while (true) {
        val socketStillGood = processOneRequest(raw, source, sink)

    server.enqueue(
      MockResponse(
        code = 407,
        headers = headersOf("Proxy-Authenticate", "Basic realm=\"localhost\""),
        inTunnel = true,
      ),
    )
    server.enqueue(MockResponse(inTunnel = true))
    server.enqueue(MockResponse(body = "A"))
    client =
      client.newBuilder()
        .proxyAuthenticator(Authenticator.JAVA_NET_AUTHENTICATOR)

    This is only relevant for duplex request bodies, because they are written concurrently when
    reading the response body.

 *  New: `MockResponse.inTunnel()` is a new `mockwebserver3` API to configure responses that are
    served while creating a proxy tunnel. This obsoletes both the `tunnelProxy` argument on