if (isAndroid) {
        findAndroidPlatform()
      } else {
        findJvmPlatform()
      }

    private fun findAndroidPlatform(): Platform {
      AndroidLog.enable()
      return Android10Platform.buildIfSupported() ?: AndroidPlatform.buildIfSupported()!!
    }

    private fun findJvmPlatform(): Platform {
      if (isConscryptPreferred) {

    the OkHttp version in custom `User-Agent` headers.

 *  Fix: Don't crash when running as a plugin in Android Studio Canary 4.1. To enable
    platform-specific TLS features OkHttp must detect whether it's running in a JVM or in Android.
    The upcoming Android Studio runs in a JVM but has classes from Android and that confused OkHttp!

    platform.assumeNotAndroid()

    // Accessing an URL protocol that was not enabled. The URL protocol mailto is not tested and
    // might not work as expected. It can be enabled by adding the --enable-url-protocols=mailto
    // option to the native-image command.
    platform.assumeNotGraalVMImage()
    val javaNetUrl = URL("mailto:******@****.***")
    assertThat(javaNetUrl.toHttpUrlOrNull()).isNull()
  }

    sslSocket: SSLSocket,
  ): ConnectPlan {
    if (connectionSpecIndex != -1) return this
    return nextConnectionSpec(connectionSpecs, sslSocket)
      ?: throw UnknownServiceException(
        "Unable to find acceptable protocols." +
          " isFallback=$isTlsFallback," +
          " modes=$connectionSpecs," +
          " supported protocols=${sslSocket.enabledProtocols!!.contentToString()}",
      )
  }

      val value = source.readInt()

      when (id) {
        // SETTINGS_HEADER_TABLE_SIZE
        1 -> {
        }

        // SETTINGS_ENABLE_PUSH
        2 -> {
          if (value != 0 && value != 1) {
            throw IOException("PROTOCOL_ERROR SETTINGS_ENABLE_PUSH != 0 or 1")
          }
        }

        // SETTINGS_MAX_CONCURRENT_STREAMS
        3 -> id = 4 // Renumbered in draft 10.

    assertThat(socket.enabledCipherSuites)
      .containsExactly(*expectedCipherSuites.toTypedArray())
  }

  @Test
  fun tls_stringCiphersAndVersions() {
    // Supporting arbitrary input strings allows users to enable suites and versions that are not
    // yet known to the library, but are supported by the platform.
    ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS)
      .cipherSuites("MAGIC-CIPHER")
      .tlsVersions("TLS9k")

    )
    assertThat(webSocket.close(1000, null)).isFalse()
  }

  /**
   * There's no read timeout when reading the first byte of a new frame. But as soon as we start
   * reading a frame we enable the read timeout. In this test we have the server returning the first
   * byte of a frame but no more frames.
   */
  @Test
  fun readTimeoutAppliesWithinFrames() {
    webServer.dispatcher =

    Indication) attribute from the TLS handshake.

 *  Upgrade: [Kotlin 1.9.21][kotlin_1_9_21].

 *  Upgrade: [Okio 3.7.0][okio_3_7_0].


## Version 5.0.0-alpha.11

_2022-12-24_

 *  New: Enable fast fallback by default. It's our implementation of Happy Eyeballs,
    [RFC 8305][rfc_8305]. Disable with `OkHttpClient.Builder.fastFallback(false)`.
 *  Fix: Don't log response bodies for server-sent events.

          .apply {
            isAccessible = true
          }
          .get(this) as? SecretKey

    val randomRegex = "\"random\"\\s+:\\s+\"([^\"]+)\"".toRegex()

    fun register() {
      // Enable JUL logging for SSL events, must be activated early or via -D option.
      System.setProperty("javax.net.debug", "")
      logger =
        Logger.getLogger("javax.net.ssl")
          .apply {

        Thread.currentThread().interrupt() // Retain interrupted status.
      }
    }

    check(::publicSuffixListBytes.isInitialized) {
      // May have failed with an IOException
      "Unable to load $PUBLIC_SUFFIX_RESOURCE resource from the classpath."
    }

    // Break apart the domain into UTF-8 labels, i.e. foo.bar.com turns into [foo, bar, com].