if err := file.AtomicCopy(filepath.Join("./testdata", f), dir, f); err != nil {
			t.Fatal(err)
		}
	}
	sc.existingCertificateFile = security.SdsCertificateConfig{
		CertificatePath:   filepath.Join(dir, "cert-chain.pem"),
		PrivateKeyPath:    filepath.Join(dir, "key.pem"),
		CaCertificatePath: filepath.Join(dir, "root-cert.pem"),
	}
}

	log.Infof("Generating K8S-signed cert for %v using signer %v", s.dnsNames, signerName)
	certChain, keyPEM, _, err = chiron.GenKeyCertK8sCA(s.kubeClient.Kube(),
		strings.Join(s.dnsNames, ","), "", signerName, true, SelfSignedCACertTTL.Get())
	if err != nil {
		return fmt.Errorf("failed generating key and cert by kubernetes: %v", err)
	}
	caBundle, err = s.RA.GetRootCertFromMeshConfig(signerName)

  public void testJoin() {
    assertThat(Doubles.join(",", EMPTY)).isEmpty();
    assertThat(Doubles.join(",", ARRAY1)).isEqualTo("1.0");
    assertThat(Doubles.join(",", (double) 1, (double) 2)).isEqualTo("1.0,2.0");
    assertThat(Doubles.join("", (double) 1, (double) 2, (double) 3)).isEqualTo("1.02.03.0");
  }

  public void testJoinNonTrivialDoubles() {
    assertThat(Doubles.join(",", EMPTY)).isEmpty();

		filename string
		lines    uint
	}

	goroot := testenv.GOROOT(t)

	results := make(chan parseResult)
	go func() {
		defer close(results)
		for _, dir := range []string{
			filepath.Join(goroot, "src"),
			filepath.Join(goroot, "misc"),
		} {
			if filepath.Base(dir) == "misc" {
				// cmd/distpack deletes GOROOT/misc, so skip that directory if it isn't present.

				levels[i] = sl
				o.defaultOutputLevels = strings.Join(levels, ",")
				return
			}
		}
	}

	prefix := scope + ":"
	for i, ol := range levels {
		if strings.HasPrefix(ol, prefix) {
			levels[i] = sl
			o.defaultOutputLevels = strings.Join(levels, ",")
			return
		}
	}

	levels = append(levels, sl)
	o.defaultOutputLevels = strings.Join(levels, ",")
}

func getSignedHeaders(signedHeaders http.Header) string {
	var headers []string
	for k := range signedHeaders {
		headers = append(headers, strings.ToLower(k))
	}
	sort.Strings(headers)
	return strings.Join(headers, ";")
}

// getCanonicalRequest generate a canonical request of style
//
// canonicalRequest =
//
//	<HTTPMethod>\n
//	<CanonicalURI>\n
//	<CanonicalQueryString>\n
//	<CanonicalHeaders>\n

        args.add(Joiner.on(File.pathSeparatorChar).join(classpath));

        if (!modulePath.isEmpty()) {
            if (moduleVersion != null) {
                args.add("--module-version");
                args.add(moduleVersion);
            }
            args.add("--module-path");
            args.add(Joiner.on(File.pathSeparatorChar).join(modulePath));
        }
    }

	modArch.Sort()
	testMod(modArch)

	// distpack returns the full path to name in the distpack directory.
	distpack := func(name string) string {
		return filepath.Join(goroot, "pkg/distpack", name)
	}
	if err := os.MkdirAll(filepath.Join(goroot, "pkg/distpack"), 0777); err != nil {
		log.Fatal(err)
	}

	writeTgz(distpack(version+".src.tar.gz"), srcArch)

	if goos == "windows" {

				errs = append(errs, e)
			}
		}
		if len(errs) > 0 {
			allErrs = append(allErrs, fmt.Errorf("error(s) in %q: %w", pkg.PkgPath, errors.Join(errs...)))
		}
	}
	if len(allErrs) > 0 {
		return nil, errors.Join(allErrs...)
	}

	return pkgs, nil
}

func massage(in []*packages.Package) []*packages.Package {
	out := []*packages.Package{}

	for _, pkg := range in {

	)

	// Create a client from admin.conf.
	adminClient, err = kubeconfigutil.ClientSetFromFile(filepath.Join(outDir, kubeadmconstants.AdminKubeConfigFileName))
	if err != nil {
		return nil, err
	}

	// Create a client from super-admin.conf.
	superAdminPath := filepath.Join(outDir, kubeadmconstants.SuperAdminKubeConfigFileName)
	if _, err := os.Stat(superAdminPath); err == nil {