open fun head(): Builder = commonHead()

    open fun post(body: RequestBody): Builder = commonPost(body)

    @JvmOverloads
    open fun delete(body: RequestBody? = commonEmptyRequestBody): Builder = commonDelete(body)

    open fun put(body: RequestBody): Builder = commonPut(body)

    open fun patch(body: RequestBody): Builder = commonPatch(body)

    open fun method(
      method: String,

    assertThat(response.body.string()).isEqualTo("abc")
  }

  @Test
  fun clientAuthForNeeds() {
    val client = buildClient(clientCert, clientIntermediateCa.certificate)
    val socketFactory = buildServerSslSocketFactory()
    server.useHttps(socketFactory)
    server.requireClientAuth()
    server.enqueue(
      MockResponse.Builder()
        .body("abc")
        .build(),
    )

        localhostIpv4,
        localhostIpv6,
      )
    serverIpv4.enqueue(
      MockResponse(body = "unexpected call to IPv4"),
    )
    serverIpv6.enqueue(
      MockResponse(body = "hello from IPv6"),
    )

    val call = client.newCall(Request(url))
    val response = call.execute()
    assertThat(response.body.string()).isEqualTo("hello from IPv6")

    // In the process we made one successful connection attempt.

          if (requestBody.isDuplex()) {
            // Prepare a duplex body so that the application can send a request body later.
            exchange.flushRequest()
            val bufferedRequestBody = exchange.createRequestBody(request, true).buffer()
            requestBody.writeTo(bufferedRequestBody)
          } else {
            // Write the request body if the "Expect: 100-continue" expectation was met.

  val headers: Headers,
  /**
   * The sizes of the chunks of this request's body, or an empty list if the request's body
   * was empty or unchunked.
   */
  val chunkSizes: List<Int>,
  /** The total size of the body of this POST request (before truncation).*/
  val bodySize: Long,
  /** The body of this POST request. This may be truncated. */
  val body: Buffer,
  /**

      MockResponse.Builder()
        .body("abc")
        .throttleBody(1, 1, TimeUnit.SECONDS)
        .build(),
    )
    val request1 =
      Request.Builder()
        .url(server.url("/"))
        .build()
    val call = client.newCall(request1)
    val response = call.execute()
    val body = response.body
    assertFailsWith<SocketTimeoutException> {
      body.string()
    }
  }

  @Test

  fun proxy() {
    server.enqueue(MockResponse.Builder().body("abc").build())
    server.enqueue(MockResponse.Builder().body("def").build())
    val client =
      clientTestRule.newClientBuilder()
        .proxy(socksProxy.proxy())
        .build()
    val request1 = Request.Builder().url(server.url("/")).build()
    val response1 = client.newCall(request1).execute()
    assertThat(response1.body.string()).isEqualTo("abc")

    enableTls()

    client = client.newBuilder().eventListenerFactory(clientTestRule.wrap(eventListener)).build()

    server.enqueue(MockResponse(body = "abc1"))
    server.enqueue(MockResponse(body = "abc2"))

    val request = Request.Builder().url(server.url("/")).build()

    client.newCall(request).execute().use { response ->
      assertEquals(200, response.code)
    }

    val uppercaseBody: ResponseBody =
      object : ForwardingResponseBody(response.body) {
        override fun source(): BufferedSource {
          return uppercaseSource(delegate().source()).buffer()
        }
      }
    return response.newBuilder()
      .body(uppercaseBody)
      .build()
  }

  private fun uppercaseSource(source: BufferedSource): ForwardingSource {

      MockResponse.Builder()
        .body(BIG_ENOUGH_BODY)
        .build(),
    )
    val request =
      Request.Builder()
        .url(server.url("/"))
        .build()
    val call = client.newCall(request)
    call.timeout().timeout(250, TimeUnit.MILLISECONDS)
    val response = call.execute()
    Thread.sleep(500)
    assertFailsWith<IOException> {
      response.body.source().readUtf8()
    }.also { expected ->