private val client: OkHttpClient =
    OkHttpClient
      .Builder()
      .cache(
        Cache(
          directory = cacheDirectory,
          // 1 MiB.
          maxSize = 10L * 1024L * 1024L,
        ),
      ).build()

  fun run() {
    val request =
      Request
        .Builder()
        .url("http://publicobject.com/helloworld.txt")
        .build()

    val response1Body =

    server.start();

    OkHttpClient client = new OkHttpClient.Builder()
        .socketFactory(new UnixDomainSocketFactory(socketFile))
        .protocols(Collections.singletonList(Protocol.H2_PRIOR_KNOWLEDGE))
        .build();

    Request request = new Request.Builder()
        .url("http://publicobject.com/helloworld.txt")
        .build();

    try (Response response = client.newCall(request).execute()) {

      }
    };

    OkHttpClient client = new OkHttpClient.Builder()
        .addNetworkInterceptor(chain -> {
          Response originalResponse = chain.proceed(chain.request());
          return originalResponse.newBuilder()
              .body(new ProgressResponseBody(originalResponse.body(), progressListener))
              .build();
        })
        .build();

    try (Response response = client.newCall(request).execute()) {

    Collection<ProducedArtifact> getArtifacts();

    @Nonnull
    static ArtifactInstallerRequestBuilder builder() {
        return new ArtifactInstallerRequestBuilder();
    }

    @Nonnull
    static ArtifactInstallerRequest build(Session session, Collection<ProducedArtifact> artifacts) {
        return builder()
                .session(requireNonNull(session, "session cannot be null"))

      .eventListenerFactory(eventListenerFactory)
      .build()

  fun run() {
    // Launch wireshark in the background
    val process = eventListenerFactory.launchWireShark()

    val fbRequest =
      Request
        .Builder()
        .url("https://graph.facebook.com/robots.txt?s=fb")
        .build()
    val twitterRequest =
      Request
        .Builder()
        .url("https://api.twitter.com/robots.txt?s=tw")

    val requestBody =
      MultipartBody
        .Builder()
        .setType(MultipartBody.FORM)
        .addFormDataPart("title", "Square Logo")
        .addFormDataPart(
          "image",
          "logo-square.png",
          File("docs/images/logo-square.png").asRequestBody(MEDIA_TYPE_PNG),
        ).build()

    val request =
      Request
        .Builder()
        .header("Authorization", "Client-ID $IMGUR_CLIENT_ID")

        append("; samesite=").append(sameSite)
      }

      return toString()
    }
  }

  fun newBuilder(): Builder = Builder(this)

  /**
   * Builds a cookie. The [name], [value], and [domain] values must all be set before calling
   * [build].
   */
  class Builder() {
    private var name: String? = null
    private var value: String? = null
    private var expiresAt = MAX_DATE

fun main() {
  val client =
    OkHttpClient
      .Builder()
      .addInterceptor(BrotliInterceptor)
      .build()

  sendRequest("https://httpbin.org/brotli", client)
  sendRequest("https://httpbin.org/gzip", client)
}

private fun sendRequest(
  url: String,
  client: OkHttpClient,
) {
  val req = Request.Builder().url(url).build()

  client.newCall(req).execute().use {
    println(it.body.string())

class ConfigureTimeouts {
  private val client: OkHttpClient =
    OkHttpClient
      .Builder()
      .connectTimeout(5, TimeUnit.SECONDS)
      .writeTimeout(5, TimeUnit.SECONDS)
      .readTimeout(5, TimeUnit.SECONDS)
      .callTimeout(10, TimeUnit.SECONDS)
      .build()

  fun run() {
    val request =
      Request
        .Builder()
        .url("http://httpbin.org/delay/2") // This URL is served with a 2 second delay.

      val heldCertificate =
        HeldCertificate
          .Builder()
          .commonName(hostname)
          .addSubjectAlternativeName(hostname)
          .build()
      HandshakeCertificates
        .Builder()
        .heldCertificate(heldCertificate)
        .addTrustedCertificate(heldCertificate.certificate)
        .build()
    }
  private var acceptedHostName: String? = null

  @StartStop