.url("https://api.imgur.com/3/image")
        .post(requestBody)
        .build()

    client.newCall(request).execute().use { response ->
      if (!response.isSuccessful) throw IOException("Unexpected code $response")

      println(response.body.string())
    }
  }

  companion object {
    /**

  val url = "https://www.iana.org/assignments/tls-parameters/tls-parameters-4.csv"

  val call = okHttpClient.newCall(Request(url.toHttpUrl()))

  val suites =
    call.executeAsync().use {
      if (!it.isSuccessful) {
        throw IOException("Failed ${it.code} ${it.message}")
      }
      it.body.string().lines()
        .mapNotNull { parseIanaCsvRow(it) }
    }

  return IanaSuites("current", suites)

  )
  fun code(): Int = code

  /**
   * Returns true if the code is in [200..300), which means the request was successfully received,
   * understood, and accepted.
   */
  val isSuccessful: Boolean = commonIsSuccessful

  @JvmName("-deprecated_message")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "message"),
    level = DeprecationLevel.ERROR,
  )

    if (response.cacheResponse == null && response.protocol !== Protocol.HTTP_2) {
      Platform.get().log("Incorrect protocol: ${response.protocol}", Platform.WARN)
    }

    response.use {
      if (!response.isSuccessful) {
        throw IOException("response: " + response.code + " " + response.message)
      }

      val body = response.body

      if (body.contentLength() > MAX_RESPONSE_SIZE) {
        throw IOException(

    client =
      client.newBuilder()
        .readTimeout(1000, TimeUnit.MILLISECONDS)
        .build()
    val call = client.newCall(request)
    val response = call.execute()
    assertThat(response.isSuccessful).isTrue()
  }

  /**
   * We delay sending the last byte of the request body 1500 ms. The 1000 ms read timeout shouldn't
   * elapse because it shouldn't start until the request body is sent.
   */
  @Test

    ```java
    Headers headers = Headers.of(name1, value1, name2, value2, ...).
    ```

 *  New: Make the content-type header optional for request bodies.
 *  New: `Response.isSuccessful()` is a convenient API to check response codes.
 *  New: The response body can now be read outside of the callback. Response
    bodies must always be closed, otherwise they will leak connections!

    ): KtCallCandidateInfo? {
        val call = createKtCall(element, resolvable, candidate, resolveFragmentOfCall)
            ?: error("expect `createKtCall` to succeed for candidate")
        if (candidate.isSuccessful) {
            return KtApplicableCallCandidateInfo(call, isInBestCandidates)
        }

        val diagnostic = createConeDiagnosticForCandidateWithError(candidate.lowestApplicability, candidate)

    val response: Response = Response.Builder().build()
    val request: Request = response.request
    val protocol: Protocol = response.protocol
    val code: Int = response.code
    val successful: Boolean = response.isSuccessful
    val message: String = response.message
    val handshake: Handshake? = response.handshake
    val headersForName: List<String> = response.headers("")
    val header: String? = response.header("")

	public final fun headers ()Lokhttp3/Headers;
	public final fun headers (Ljava/lang/String;)Ljava/util/List;
	public final fun isRedirect ()Z
	public final fun isSuccessful ()Z
	public final fun message ()Ljava/lang/String;
	public final fun networkResponse ()Lokhttp3/Response;
	public final fun newBuilder ()Lokhttp3/Response$Builder;
	public final fun peekBody (J)Lokhttp3/ResponseBody;

    )

    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.
    assertThat(listener.recordedEventTypes().filter { it == "ConnectStart" }).hasSize(1)
    assertThat(listener.recordedEventTypes().filter { it == "ConnectFailed" }).hasSize(0)
  }

  @Test