private val localhost: HandshakeCertificates by lazy {
    // Generate a self-signed cert for the server to serve and the client to trust.
    val heldCertificate =
      HeldCertificate.Builder()
        .commonName("localhost")
        .addSubjectAlternativeName("localhost")
        .addSubjectAlternativeName("localhost.localdomain")
        .build()
    return@lazy HandshakeCertificates.Builder()

    .certificateAuthority(0)
    .build();

// Create a server certificate and a server that uses it.
HeldCertificate serverCertificate = new HeldCertificate.Builder()
    .commonName("ingen")
    .addSubjectAlternativeName(server.getHostName())
    .signedBy(rootCertificate)
    .build();
HandshakeCertificates serverCertificates = new HandshakeCertificates.Builder()

	}

	serialNumber, err := rand.Int(rand.Reader, serialNumberLimit)
	if err != nil {
		return nil, fmt.Errorf("unable to generate a serial number for %s: %v", cr.Subject.CommonName, err)
	}

	tmpl := &x509.Certificate{
		SerialNumber:       serialNumber,
		Subject:            cr.Subject,
		DNSNames:           cr.DNSNames,
		IPAddresses:        cr.IPAddresses,

    // Generate a self-signed cert for the server to serve and the client to trust.
    // can't use TlsUtil.localhost with a non OpenJSSE trust manager
    val heldCertificate =
      HeldCertificate.Builder()
        .commonName("localhost")
        .addSubjectAlternativeName("localhost")
        .build()
    val handshakeCertificates =
      HandshakeCertificates.Builder()
        .heldCertificate(heldCertificate)

	public final fun build ()Lokhttp3/tls/HeldCertificate;
	public final fun certificateAuthority (I)Lokhttp3/tls/HeldCertificate$Builder;
	public final fun commonName (Ljava/lang/String;)Lokhttp3/tls/HeldCertificate$Builder;
	public final fun duration (JLjava/util/concurrent/TimeUnit;)Lokhttp3/tls/HeldCertificate$Builder;
	public final fun ecdsa256 ()Lokhttp3/tls/HeldCertificate$Builder;

		check(f.Close())

		cert, err := plistExtract(fname, "DeveloperCertificates:0")
		check(err)
		pcert, err := x509.ParseCertificate(cert)
		check(err)
		fmt.Printf("export GOIOS_DEV_ID=\"%s\"\n", pcert.Subject.CommonName)

		appID, err := plistExtract(fname, "Entitlements:application-identifier")
		check(err)
		fmt.Printf("export GOIOS_APP_ID=%s\n", appID)

		return nil, fmt.Errorf(message)
	}
	ids := []string{}
	for _, cc := range clientCerts {
		ids = append(ids, cc.URI...)
		ids = append(ids, cc.DNS...)
		if cc.Subject != nil {
			ids = append(ids, cc.Subject.CommonName)
		}
	}

	return &security.Caller{
		AuthSource: security.AuthSourceClientCertificate,
		Identities: ids,
	}, nil
}

func isTrustedAddress(addr string, trustedCidrs []string) bool {

)

func Test_countCSRDurationMetric(t *testing.T) {
	caPrivateKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
	if err != nil {
		t.Fatal(err)
	}
	caCert, err := certutil.NewSelfSignedCACert(certutil.Config{CommonName: "test-ca"}, caPrivateKey)
	if err != nil {
		t.Fatal(err)
	}

	tests := []struct {
		name                       string
		success                    bool
		obj, old                   runtime.Object

		if options.IsDualUse {
			cn, err := DualUseCommonName(h)
			if err != nil {
				// log and continue
				log.Errorf("dual-use failed for CSR template - omitting CN (%v)", err)
			} else {
				template.Subject.CommonName = cn
			}
		}
		template.ExtraExtensions = []pkix.Extension{*s}
	}

	return template, nil
}

// AppendRootCerts appends root certificates in RootCertFile to the input certificate.

			proxySigningKey, err = testutil.NewPrivateKey()
			if err != nil {
				return result, err
			}
			proxySigningCert, err = cert.NewSelfSignedCACert(cert.Config{CommonName: "front-proxy-ca"}, proxySigningKey)
			if err != nil {
				return result, err
			}
		}
		proxyCACertFile := filepath.Join(s.SecureServing.ServerCert.CertDirectory, "proxy-ca.crt")