): Client {
  val socketFactory = SSLSocketFactory.getDefault() as SSLSocketFactory
  val sslSocket = socketFactory.createSocket() as SSLSocket

  return Client(
    userAgent = name,
    version = version,
    enabled = sslSocket.enabledCipherSuites.map { ianaSuites.fromJavaName(it) },
    supported = sslSocket.supportedCipherSuites.map { ianaSuites.fromJavaName(it) },
  )

internal fun cacheGet(
  cache: Cache,
  request: Request,
): Response? = cache.get(request)

internal fun applyConnectionSpec(
  connectionSpec: ConnectionSpec,
  sslSocket: SSLSocket,
  isFallback: Boolean,
) = connectionSpec.apply(sslSocket, isFallback)

internal fun ConnectionSpec.effectiveCipherSuites(socketEnabledCipherSuites: Array<String>): Array<String> =
  if (cipherSuitesAsString != null) {

import javax.net.ssl.HandshakeCompletedListener
import javax.net.ssl.SSLParameters
import javax.net.ssl.SSLSession
import javax.net.ssl.SSLSocket

/** An [SSLSocket] that delegates all calls.  */
abstract class DelegatingSSLSocket(
  protected val delegate: SSLSocket?,
) : SSLSocket() {
  @Throws(IOException::class)
  override fun shutdownInput() {
    delegate!!.shutdownInput()
  }

  @Throws(IOException::class)

 * limitations under the License.
 */
package okhttp3.mockwebserver

import java.io.IOException
import java.net.Inet6Address
import java.net.Socket
import javax.net.ssl.SSLSocket
import okhttp3.Handshake
import okhttp3.Handshake.Companion.handshake
import okhttp3.Headers
import okhttp3.HttpUrl
import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
import okhttp3.TlsVersion
import okio.Buffer

  }

  private fun createSocketWithEnabledProtocols(vararg tlsVersions: TlsVersion): SSLSocket =
    (handshakeCertificates.sslSocketFactory().createSocket() as SSLSocket).apply {
      enabledProtocols = javaNames(*tlsVersions)
    }

  private fun assertEnabledProtocols(
    socket: SSLSocket,
    vararg required: TlsVersion,
  ) {

            }

            val serverSslSocketFactory =
              object : DelegatingSSLSocketFactory(sslSocketFactory) {
                override fun configureSocket(sslSocket: SSLSocket): SSLSocket {
                  return sslSocket.apply {
                    sslParameters =
                      sslParameters.apply {
                        sniMatchers =
                          listOf(

    }

    override fun connectionAcquired(
      call: Call,
      connection: Connection,
    ) {
      if (random != null) {
        val sslSocket = connection.socket() as SSLSocket
        val session = sslSocket.session

        val masterSecretHex =
          session.masterSecret
            ?.encoded
            ?.toByteString()
            ?.hex()

import java.security.cert.Certificate
import java.security.cert.X509Certificate
import javax.net.ServerSocketFactory
import javax.net.SocketFactory
import javax.net.ssl.HostnameVerifier
import javax.net.ssl.SSLSocket
import javax.net.ssl.SSLSocketFactory
import javax.net.ssl.X509KeyManager
import javax.net.ssl.X509TrustManager
import okhttp3.logging.HttpLoggingInterceptor
import okhttp3.mockwebserver.MockResponse

    val eventListener =
      object : EventListener() {
        var socket: SSLSocket? = null
        var closed = false

        override fun connectionAcquired(
          call: Call,
          connection: Connection,
        ) {
          socket = connection.socket() as SSLSocket
        }

        override fun requestHeadersStart(call: Call) {
          if (closed) {

    val trustManager = client.x509TrustManager!!

    val delegatingSocketFactory =
      object : DelegatingSSLSocketFactory(sslSocketFactory) {
        override fun configureSocket(sslSocket: SSLSocket): SSLSocket =
          object : DelegatingSSLSocket(sslSocket) {
            override fun getApplicationProtocol(): String = throw UnsupportedOperationException()
          }
      }

    client =
      client
        .newBuilder()