if (Conscrypt.isConscrypt(sslSocket)) {
      Conscrypt.getApplicationProtocol(sslSocket)
    } else {
      super.getSelectedProtocol(sslSocket)
    }

  override fun newSslSocketFactory(trustManager: X509TrustManager): SSLSocketFactory {
    return newSSLContext().apply {
      init(null, arrayOf<TrustManager>(trustManager), null)
    }.socketFactory
  }

  companion object {