),
        body = "ABC.2",
      ),
    )
    client =
      client.newBuilder()
        .sslSocketFactory(
          handshakeCertificates.sslSocketFactory(),
          handshakeCertificates.trustManager,
        )
        .hostnameVerifier(nullHostnameVerifier)
        .build()
    val request = Request(server.url("/"))
    val response1: Response = client.newCall(request).execute()

              // noticeable memory pressure in Android apps.
//              .addPlatformTrustedCertificates()
              .build();

      builder.sslSocketFactory(certificates.sslSocketFactory(), certificates.trustManager());
    }

    OkHttpClient client = builder.build();

    sendRequest(client, "https://valid-isrgrootx1.letsencrypt.org/robots.txt");

    try {

            ConnectionSpec.MODERN_TLS,
          ),
        )
        .sslSocketFactory(
          suppressTlsFallbackClientSocketFactory(),
          handshakeCertificates.trustManager,
        )
        .build()
    executeSynchronously("/").assertBody("abc")
  }

  @Test
  fun recoverFromTlsHandshakeFailure_tlsFallbackScsvEnabled() {
    platform.assumeNotConscrypt()

import java.util.logging.Level
import java.util.logging.Logger
import javax.net.ServerSocketFactory
import javax.net.ssl.SSLContext
import javax.net.ssl.SSLSocket
import javax.net.ssl.SSLSocketFactory
import javax.net.ssl.TrustManager
import javax.net.ssl.X509TrustManager
import mockwebserver3.SocketPolicy.DisconnectAfterRequest
import mockwebserver3.SocketPolicy.DisconnectAtEnd
import mockwebserver3.SocketPolicy.DisconnectAtStart

  fun handshakeCertificates() {
    val handshakeCertificates = HandshakeCertificates.Builder().build()
    val keyManager: X509KeyManager = handshakeCertificates.keyManager()
    val trustManager: X509TrustManager = handshakeCertificates.trustManager()
  }

  @Test @Disabled
  fun handshakeCertificatesBuilder() {
    var builder: HandshakeCertificates.Builder = HandshakeCertificates.Builder()

              ),
            )

            val sslSocketFactory = handshakeCertificates.sslSocketFactory()

            sslSocketFactory(
              sslSocketFactory,
              handshakeCertificates.trustManager,
            )

            when (socketMode.protocol) {
              HTTP_2 -> protocols(listOf(HTTP_2, HTTP_1_1))
              HTTP_1_1 -> protocols(listOf(HTTP_1_1))
              else -> TODO()

  }

  private fun enableTls() {
    client =
      client.newBuilder()
        .sslSocketFactory(
          handshakeCertificates.sslSocketFactory(),
          handshakeCertificates.trustManager,
        )
        .build()
    server.useHttps(handshakeCertificates.sslSocketFactory())
  }

        // .addPlatformTrustedCertificates()
        .build()
    client =
      OkHttpClient.Builder()
        .sslSocketFactory(certificates.sslSocketFactory(), certificates.trustManager)
        .build()
  }

  fun run() {
    showUrl("https://squareup.com/robots.txt")
    showUrl("https://publicobject.com/helloworld.txt")
  }

  private fun showUrl(url: String) {

    client =
      OkHttpClient.Builder()
        .dns(AsyncDns.toDns(AndroidAsyncDns.IPv4, AndroidAsyncDns.IPv6))
        .sslSocketFactory(localhost.sslSocketFactory(), localhost.trustManager)
        .build()

    serverRule.server.useHttps(localhost.sslSocketFactory())
  }

  @Test
  @Ignore("java.net.UnknownHostException: No results for localhost, in CI.")
  fun testRequest() {

    val handshakeCertificates =
      HandshakeCertificates.Builder()
        .addPlatformTrustedCertificates()
        .build()
    val acceptedIssuers = handshakeCertificates.trustManager.acceptedIssuers
    val names =
      acceptedIssuers
        .map { it.subjectDN.name }
        .toSet()

    // It's safe to assume all platforms will have a major Internet certificate issuer.