@JvmField
    val RESTRICTED_TLS =
      Builder(true)
        .cipherSuites(*RESTRICTED_CIPHER_SUITES.toTypedArray())
        .tlsVersions(TlsVersion.TLS_1_3, TlsVersion.TLS_1_2)
        .supportsTlsExtensions(true)
        .build()

    /**
     * A modern TLS configuration that works on most client platforms and can connect to most servers.

    client.newCall(request).execute().use {
      assertThat(it.protocol).isEqualTo(Protocol.HTTP_2)
      assertThat(it.handshake!!.tlsVersion).isEqualTo(TlsVersion.TLS_1_3)
    }
  }

    // We are avoiding making guarantees on ordering of secondary Platforms.
    platform.assumeNotBouncyCastle()

    val client = makeClient(ConnectionSpec.MODERN_TLS, TlsVersion.TLS_1_3)

    val handshake = makeRequest(client)

    assertThat(handshake.cipherSuite).isIn(*expectedModernTls13CipherSuites.toTypedArray())

    // TODO: filter down to TLSv1.3 when only activated.

    builder = builder.cipherSuites(CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256)
    builder = builder.cipherSuites("", "")
    builder = builder.allEnabledTlsVersions()
    builder = builder.tlsVersions(TlsVersion.TLS_1_3)
    builder = builder.tlsVersions("", "")
    val connectionSpec: ConnectionSpec = builder.build()
  }

  @Test
  fun cookie() {
    val cookie: Cookie = Cookie.Builder().build()

          }
          else -> {
            assertEquals("org.conscrypt.ConscryptFileDescriptorSocket", socketClass)
          }
        }
        assertEquals(TlsVersion.TLS_1_3, response.handshake?.tlsVersion)
      }
    } finally {
      Security.removeProvider("Conscrypt")
      client.close()
    }
  }

  @Test
  fun testConscryptRequestLocalhostInsecure() {

 * available in JDK11 or Conscrypt.
 */
private val TLS_13 =
  ConnectionSpec
    .Builder(true)
    .cipherSuites(*TLS13_CIPHER_SUITES.toTypedArray())
    .tlsVersions(TlsVersion.TLS_1_3)
    .build()

private val TLS_12 =
  ConnectionSpec
    .Builder(ConnectionSpec.RESTRICTED_TLS)
    .tlsVersions(TlsVersion.TLS_1_2)
    .build()

private fun testClient(
  urls: List<String>,

    socket.enabledCipherSuites = arrayOf("TLS_A")
    val connectionSpec =
      ConnectionSpec
        .Builder(true)
        .tlsVersions(TlsVersion.TLS_1_1, TlsVersion.TLS_1_2, TlsVersion.TLS_1_3)
        .cipherSuites("TLS_A")
        .build()
    applyConnectionSpec(connectionSpec, socket, false)
    assertArrayEquals(arrayOf("TLSv1.1", "TLSv1.2"), socket.enabledProtocols)
  }

    val proxy: Proxy = route.proxy()
    val inetSocketAddress: InetSocketAddress = route.socketAddress()
  }

  @Test @Disabled
  fun tlsVersion() {
    val tlsVersion: TlsVersion = TlsVersion.TLS_1_3
    val javaName: String = tlsVersion.javaName()
  }

          .protocol(Protocol.HTTP_1_1)
          .code(200)
          .message("OK")
          .build()
      val handshake =
        Handshake.get(
          tlsVersion = TlsVersion.TLS_1_3,
          cipherSuite = CipherSuite.TLS_AES_128_GCM_SHA256,
          peerCertificates = listOf(),
          localCertificates = listOf(),
        )

      return mapOf(

    val fallbackRequest = server.takeRequest()
    assertThat(fallbackRequest.requestLine).isEqualTo("GET /foo HTTP/1.1")
    assertThat(fallbackRequest.handshake?.tlsVersion).isIn(TlsVersion.TLS_1_2, TlsVersion.TLS_1_3)
  }

  @Test
  fun connectViaHttpsWithSSLFallbackFailuresRecorded() {
    platform.assumeNotBouncyCastle()

    server.useHttps(handshakeCertificates.sslSocketFactory())