authType: String,
  ) = throw CertificateException("Unsupported operation")

  override fun checkClientTrusted(
    chain: Array<out X509Certificate>,
    authType: String?,
  ) = throw CertificateException("Unsupported operation")

  override fun checkClientTrusted(
    chain: Array<out X509Certificate>,
    authType: String,
    engine: SSLEngine?,
  ) = throw CertificateException("Unsupported operation")

  override fun checkClientTrusted(
    chain: Array<out X509Certificate>,
    authType: String?,
  ) = throw CertificateException("Unsupported operation")

  override fun checkServerTrusted(
    chain: Array<out X509Certificate>,
    authType: String,
  ) = throw CertificateException("Unsupported operation")

    // ConnectionSpec: we assume it is unreachable.
    e is InterruptedIOException -> false

    // If the problem was a CertificateException from the X509TrustManager, do not retry.
    e is SSLHandshakeException && e.cause is CertificateException -> false

    // e.g. a certificate pinning error.
    e is SSLPeerUnverifiedException -> false

    // Retry for all other SSL failures.

 */
package okhttp3.internal.platform.android

import android.net.http.X509TrustManagerExtensions
import java.lang.IllegalArgumentException
import java.security.cert.Certificate
import java.security.cert.CertificateException
import java.security.cert.X509Certificate
import javax.net.ssl.SSLPeerUnverifiedException
import javax.net.ssl.X509TrustManager
import okhttp3.internal.SuppressSignatureCheck

        ObjectOutputStream oos = new ObjectOutputStream(stream);
        oos.writeObject(keys);
        oos.writeObject(certChains);
    }

    @Override
    @SuppressWarnings("unchecked")
    public void engineLoad(InputStream stream, char[] password) throws IOException, NoSuchAlgorithmException, CertificateException {
        if (stream == null) {

import assertk.assertions.isFalse
import assertk.assertions.isNotNull
import assertk.assertions.isNull
import assertk.assertions.isTrue
import java.io.IOException
import java.security.cert.CertificateException
import javax.net.ssl.SSLHandshakeException
import javax.net.ssl.SSLSocket
import okhttp3.ConnectionSpec
import okhttp3.OkHttpClientTestRule
import okhttp3.TestValueFactory
import okhttp3.TlsVersion