=== ":material-language-kotlin: Kotlin"
    ```kotlin
      private val client: OkHttpClient

      init {
        val trustManager = trustManagerForCertificates(trustedCertificatesInputStream())
        val sslContext = SSLContext.getInstance("TLS")
        sslContext.init(null, arrayOf<TrustManager>(trustManager), null)
        val sslSocketFactory = sslContext.socketFactory

class BasicTrustRootIndex(vararg caCerts: X509Certificate) : TrustRootIndex {
  private val subjectToCaCerts: Map<X500Principal, Set<X509Certificate>>

  init {
    val map = mutableMapOf<X500Principal, MutableSet<X509Certificate>>()
    for (caCert in caCerts) {
      map.getOrPut(caCert.subjectX500Principal) { mutableSetOf() }.add(caCert)
    }
    this.subjectToCaCerts = map

	public abstract fun newEventSource (Lokhttp3/Request;Lokhttp3/sse/EventSourceListener;)Lokhttp3/sse/EventSource;
}

public abstract class okhttp3/sse/EventSourceListener {
	public fun <init> ()V
	public fun onClosed (Lokhttp3/sse/EventSource;)V
	public fun onEvent (Lokhttp3/sse/EventSource;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V

  }

  fun getThrottlePeriod(unit: TimeUnit): Long = unit.convert(throttlePeriodAmount, throttlePeriodUnit)

  fun setBodyDelay(
    delay: Long,
    unit: TimeUnit,
  ) = apply {
    bodyDelayAmount = delay
    bodyDelayUnit = unit
  }

  fun getBodyDelay(unit: TimeUnit): Long = unit.convert(bodyDelayAmount, bodyDelayUnit)

  fun setHeadersDelay(
    delay: Long,
    unit: TimeUnit,

  }

  val context: SSLContext by lazy {
    val provider: Provider = Conscrypt.newProviderBuilder().provideTrustManager(true).build()

    SSLContext.getInstance("TLS", provider).apply {
      init(null, null, null)
    }
  }

  @ParameterizedTest
  @MethodSource("data")
  fun testMatchesSupportedSocket(adapter: SocketAdapter) {
    val socketFactory = context.socketFactory

  fun trustManager(): X509TrustManager = trustManager

  fun sslSocketFactory(): SSLSocketFactory = sslContext().socketFactory

  fun sslContext(): SSLContext {
    return Platform.get().newSSLContext().apply {
      init(arrayOf<KeyManager>(keyManager), arrayOf<TrustManager>(trustManager), SecureRandom())
    }
  }

  class Builder {
    private var heldCertificate: HeldCertificate? = null

   * ```
   * `<< 0x0000000f    12 HEADERS       END_HEADERS|END_STREAM
   * ```
   */
  fun frameLog(
    inbound: Boolean,
    streamId: Int,
    length: Int,
    type: Int,
    flags: Int,
  ): String {
    val formattedType = formattedType(type)
    val formattedFlags = formatFlags(type, flags)
    val direction = if (inbound) "<<" else ">>"
    return format(

  val callTimeoutMillis: Int = builder.callTimeout

  /** Default connect timeout (in milliseconds). The default is 10 seconds. */
  @get:JvmName("connectTimeoutMillis")
  val connectTimeoutMillis: Int = builder.connectTimeout

  /** Default read timeout (in milliseconds). The default is 10 seconds. */
  @get:JvmName("readTimeoutMillis")
  val readTimeoutMillis: Int = builder.readTimeout

      object : AbstractList<Protocol?>() {
        override val size: Int = 1

        override fun get(index: Int) = Protocol.HTTP_1_1

        override fun contains(element: Protocol?): Boolean {
          if (element == null) throw NullPointerException()
          return super.contains(element)
        }

        override fun indexOf(element: Protocol?): Int {
          if (element == null) throw NullPointerException()

      assumeFalse(isGraalVMImage())
    }

    fun assumeJdkVersion(majorVersion: Int) {
      assumeNotAndroid()
      assumeNotGraalVMImage()
      assumeTrue(PlatformVersion.majorVersion == majorVersion)
    }

    fun androidSdkVersion(): Int? {
      return if (Platform.isAndroid) {
        Build.VERSION.SDK_INT
      } else {
        null
      }
    }