for (i in trustedCertificates.indices) {
      trustStore.setCertificateEntry("cert_$i", trustedCertificates[i])
    }

    val factory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm())
    factory.init(trustStore)
    val result = factory.trustManagers!!
    check(result.size == 1 && result[0] is X509TrustManager) {
      "Unexpected trust managers: ${result.contentToString()}"
    }

            keyStore.load(null, null);
            keyStore.setCertificateEntry("server", certificate);

            TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
            trustManagerFactory.init(keyStore);

            SSLContext sslContext = SSLContext.getInstance("TLS");
            sslContext.init(null, trustManagerFactory.getTrustManagers(), null);

  override fun platformTrustManager(): X509TrustManager {
    val factory =
      TrustManagerFactory.getInstance(
        TrustManagerFactory.getDefaultAlgorithm(),
        provider,
      )
    factory.init(null as KeyStore?)
    val trustManagers = factory.trustManagers!!
    check(trustManagers.size == 1 && trustManagers[0] is X509TrustManager) {

                keyStore.setCertificateEntry("server", certificate);

                final TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
                trustManagerFactory.init(keyStore);

                final SSLContext sslContext = SSLContext.getInstance("TLS");
                sslContext.init(null, trustManagerFactory.getTrustManagers(), null);

        val socketFactory = keyStoreFactory.sslContext().socketFactory

        val trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm())
        trustManagerFactory.init(keyStoreFactory.loadOrCreateKeyStore())
        val trustManager = trustManagerFactory.trustManagers.first() as X509TrustManager

        sslSocketFactory(socketFactory, trustManager)

    SSLContext.getInstance("TLS", provider)

  override fun platformTrustManager(): X509TrustManager {
    val trustManagers =
      TrustManagerFactory
        .getInstance(TrustManagerFactory.getDefaultAlgorithm())
        .apply {
          init(null as KeyStore?)
        }.trustManagers!!
    check(trustManagers.size == 1 && trustManagers[0] is X509TrustManager) {

  open fun newSSLContext(): SSLContext = SSLContext.getInstance("TLS")

  open fun platformTrustManager(): X509TrustManager {
    val factory =
      TrustManagerFactory.getInstance(
        TrustManagerFactory.getDefaultAlgorithm(),
      )
    factory.init(null as KeyStore?)
    val trustManagers = factory.trustManagers!!
    check(trustManagers.size == 1 && trustManagers[0] is X509TrustManager) {

      Security.insertProviderAt(BouncyCastleJsseProvider(), 2)

      var socketClass: String? = null

      val trustManager =
        TrustManagerFactory
          .getInstance(TrustManagerFactory.getDefaultAlgorithm())
          .apply {
            init(null as KeyStore?)
          }.trustManagers
          .first() as X509TrustManager

      val sslContext =
        Platform.get().newSSLContext().apply {

     *
     * ```java
     * TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(
     * TrustManagerFactory.getDefaultAlgorithm());
     * trustManagerFactory.init((KeyStore) null);
     * TrustManager[] trustManagers = trustManagerFactory.getTrustManagers();
     * if (trustManagers.length != 1 || !(trustManagers[0] instanceof X509TrustManager)) {

    sslContext2.init(null, null, null)
    val sslSocketFactory2 = sslContext2.socketFactory
    val trustManagerFactory =
      TrustManagerFactory.getInstance(
        TrustManagerFactory.getDefaultAlgorithm(),
      )
    trustManagerFactory.init(null as KeyStore?)
    val trustManager = trustManagerFactory.trustManagers[0] as X509TrustManager
    client =
      client
        .newBuilder()