socket.supportedCipherSuites = arrayOf("TLS_A")
    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 localCertificates = readCertificateList(source)
          val tlsVersion =
            if (!source.exhausted()) {
              TlsVersion.forJavaName(source.readUtf8LineStrict())
            } else {
              TlsVersion.SSL_3_0
            }
          handshake = Handshake.get(tlsVersion, cipherSuite, peerCertificates, localCertificates)
        } else {
          handshake = null

    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()
  }

 * **Dispatcher**: executorService
 * **FormBody**: size
 * **Handshake**: cipherSuite, localCertificates, localPrincipal, peerCertificates, peerPrincipal,
   tlsVersion
 * **HandshakeCertificates**: keyManager, trustManager
 * **Headers**: size
 * **HeldCertificate**: certificate, keyPair
 * **HttpLoggingInterceptor**: level

        .build();

    Call call = client.newCall(new Request.Builder()
        .url(server.url("/"))
        .build());
    Response response = call.execute();
    System.out.println(response.handshake().tlsVersion());
  }

  public static void main(String... args) throws Exception {
    new HttpsServer().run();
  }

    val response = call.execute()
    assertThat(response.code).isEqualTo(200)
    assertThat(response.handshake!!.cipherSuite).isNotNull()
    assertThat(response.handshake!!.tlsVersion).isNotNull()
    assertThat(response.handshake!!.localCertificates).isEmpty()
    assertThat(response.handshake!!.localPrincipal).isNull()
    assertThat(response.handshake!!.peerCertificates).isEmpty()

}

public final class okhttp3/TlsVersion : java/lang/Enum {
	public static final field Companion Lokhttp3/TlsVersion$Companion;
	public static final field SSL_3_0 Lokhttp3/TlsVersion;
	public static final field TLS_1_0 Lokhttp3/TlsVersion;
	public static final field TLS_1_1 Lokhttp3/TlsVersion;
	public static final field TLS_1_2 Lokhttp3/TlsVersion;
	public static final field TLS_1_3 Lokhttp3/TlsVersion;

    apply {
      assertThat(body).isEqualTo(expectedBody)
    }

  fun assertHandshake() =
    apply {
      val handshake = response!!.handshake!!
      assertThat(handshake.tlsVersion).isNotNull()
      assertThat(handshake.cipherSuite).isNotNull()
      assertThat(handshake.peerPrincipal).isNotNull()
      assertThat(handshake.peerCertificates.size).isEqualTo(1)

      .assertLogMatch(Regex("""connectStart: ${url.host}/.+ DIRECT"""))
      .assertLogMatch(Regex("""secureConnectStart"""))
      .assertLogMatch(
        Regex(
          """secureConnectEnd: Handshake\{tlsVersion=TLS_1_[23] cipherSuite=TLS_.* peerCertificates=\[CN=localhost] localCertificates=\[]\}""",
        ),
      )
      .assertLogMatch(Regex("""connectEnd: h2"""))
      .assertLogMatch(

    assertThat(reader.readLine()).isEqualTo("abc")
    val request = server.takeRequest()
    assertThat(request.requestUrl!!.scheme).isEqualTo("https")
    val handshake = request.handshake
    assertThat(handshake!!.tlsVersion).isNotNull()
    assertThat(handshake.cipherSuite).isNotNull()
    assertThat(handshake.localPrincipal).isNotNull()
    assertThat(handshake.localCertificates.size).isEqualTo(1)