@Test
  fun computeIfAbsentWhenEmpty() {
    val tags = EmptyTags
    val atomicTags = AtomicReference<Tags>(tags)
    assertThat(atomicTags.computeIfAbsent(String::class) { "a" }).isEqualTo("a")
    assertThat(atomicTags.get()[String::class]).isEqualTo("a")
  }

  @Test
  fun computeIfAbsentWhenPresent() {
    val tags = EmptyTags.plus(String::class, "a")
    val atomicTags = AtomicReference(tags)

 * [tls_history]: https://square.github.io/okhttp/tls_configuration_history/
 */
class ConnectionSpec internal constructor(
  @get:JvmName("isTls") val isTls: Boolean,
  @get:JvmName("supportsTlsExtensions") val supportsTlsExtensions: Boolean,
  internal val cipherSuitesAsString: Array<String>?,
  private val tlsVersionsAsString: Array<String>?,
) {
  /**
   * Returns the cipher suites to use for a connection. Returns null if all of the SSL socket's

   */
  @get:JvmName("sMaxAgeSeconds") val sMaxAgeSeconds: Int,
  val isPrivate: Boolean,
  val isPublic: Boolean,
  @get:JvmName("mustRevalidate") val mustRevalidate: Boolean,
  @get:JvmName("maxStaleSeconds") val maxStaleSeconds: Int,
  @get:JvmName("minFreshSeconds") val minFreshSeconds: Int,
  /**

    val generatedBucketsJson = File(System.getProperty("outputBucketSplitJson", "./test-buckets.json"))

    FunctionalTestBucketGenerator(model, testClassDataJson).generate(generatedBucketsJson)
}

class FunctionalTestBucketGenerator(
    private val model: CIBuildModel,
    testTimeDataJson: File,
) {
    private val gson: Gson = GsonBuilder().setPrettyPrinting().create()

    if (!response.promisesBody()) {
      return response
    }
    val body = response.body
    val encoding = response.header("Content-Encoding") ?: return response

    val algorithm = lookupDecompressor(encoding) ?: return response

    val decompressedSource = algorithm.decompress(body.source()).buffer()

    return response
      .newBuilder()
      .removeHeader("Content-Encoding")

  var testLogHandler = TestLogHandler(OkHttpClient::class.java)

  @StartStop
  private val webServer = MockWebServer()

  private val handshakeCertificates = platform.localhostHandshakeCertificates()
  private val clientListener = WebSocketRecorder("client")
  private val serverListener = WebSocketRecorder("server")
  private val random = Random(0)
  private var client =
    clientTestRule
      .newClientBuilder()

  const val TYPE_PING = 0x6
  const val TYPE_GOAWAY = 0x7
  const val TYPE_WINDOW_UPDATE = 0x8
  const val TYPE_CONTINUATION = 0x9

  const val FLAG_NONE = 0x0
  const val FLAG_ACK = 0x1 // Used for settings and ping.
  const val FLAG_END_STREAM = 0x1 // Used for headers and data.
  const val FLAG_END_HEADERS = 0x4 // Used for headers and continuation.
  const val FLAG_END_PUSH_PROMISE = 0x4

actual object PlatformRegistry {
  private val isConscryptPreferred: Boolean
    get() {
      val preferredProvider = Security.getProviders()[0].name
      return "Conscrypt" == preferredProvider
    }

  private val isOpenJSSEPreferred: Boolean
    get() {
      val preferredProvider = Security.getProviders()[0].name
      return "OpenJSSE" == preferredProvider
    }

  private val isBouncyCastlePreferred: Boolean
    get() {

 */
class DnsOverHttps internal constructor(
  @get:JvmName("client") val client: OkHttpClient,
  @get:JvmName("url") val url: HttpUrl,
  @get:JvmName("includeIPv6") val includeIPv6: Boolean,
  @get:JvmName("post") val post: Boolean,
  @get:JvmName("resolvePrivateAddresses") val resolvePrivateAddresses: Boolean,
  @get:JvmName("resolvePublicAddresses") val resolvePublicAddresses: Boolean,
) : Dns {
  @Throws(UnknownHostException::class)

    val actual = component.encodedValue(url)
    if (actual != expected) {
      fail("Encoding $component $codePoint using $encoding: '$actual' != '$expected'")
    }
  }

  private fun testEncodeAndDecode(
    codePoint: Int,
    codePointString: String,
    component: Component,
  ) {
    val builder = "http://host/".toHttpUrl().newBuilder()
    component[builder] = codePointString