return strings.Join([]string{
		accessKey,
		date,
		region,
		service,
		requestVersion,
	}, SlashSeparator)
}

// generate CredentialHeader from its fields.
func generateCredentials(t *testing.T, accessKey string, date string, region, service, requestVersion string) credentialHeader {
	cred := credentialHeader{
		accessKey: accessKey,
	}
	parsedDate, err := time.Parse(yyyymmdd, date)

	}
	sort.Strings(list)
	return strings.Join(list, ",")
}

func (ss stringSet) Set(flag string) error {
	for _, name := range strings.Split(flag, ",") {
		if len(name) == 0 {
			return fmt.Errorf("empty string")
		}
		if !strings.Contains(name, ".") {
			name = strings.ToLower(name)
		}
		ss[name] = true
	}
	return nil

func (c *config) goCmdWithExperiments(subcommand string, args []string, experiments []string) *exec.Cmd {
	cmd := exec.Command("go", subcommand)
	cmd.Args = append(cmd.Args, c.goFlags...)
	cmd.Args = append(cmd.Args, args...)
	replaceEnv(cmd, "CGO_CFLAGS", strings.Join(c.cFlags, " "))
	replaceEnv(cmd, "CGO_LDFLAGS", strings.Join(c.ldFlags, " "))
	appendExperimentEnv(cmd, experiments)
	return cmd
}

type LiteralString string

// Capture interface used by participle
func (ls *LiteralString) Capture(values []string) error {
	// Remove enclosing single quote
	n := len(values[0])
	r := values[0][1 : n-1]
	// Translate doubled quotes
	*ls = LiteralString(strings.ReplaceAll(r, "''", "'"))
	return nil
}

// LiteralList is a type for parsed SQL lists literals
type LiteralList []string

<key>CFBundleShortVersionString</key><string>1.0</string>
<key>CFBundleIdentifier</key><string>` + bundleID + `</string>
<key>CFBundleResourceSpecification</key><string>ResourceRules.plist</string>
<key>LSRequiresIPhoneOS</key><true/>
<key>CFBundleDisplayName</key><string>gotest</string>
<key>GoExecWrapperWorkingDirectory</key><string>` + pkgpath + `</string>
</dict>
</plist>
`
}

func entitlementsPlist() string {

	if this == nil {
		return "nil"
	}
	s := strings.Join([]string{`&StorageVersionMigration{`,
		`ObjectMeta:` + strings.Replace(strings.Replace(fmt.Sprintf("%v", this.ObjectMeta), "ObjectMeta", "v1.ObjectMeta", 1), `&`, ``, 1) + `,`,
		`Spec:` + strings.Replace(strings.Replace(this.Spec.String(), "StorageVersionMigrationSpec", "StorageVersionMigrationSpec", 1), `&`, ``, 1) + `,`,

	}
	mapStringForPodFixed += "}"
	s := strings.Join([]string{`&Overhead{`,
		`PodFixed:` + mapStringForPodFixed + `,`,
		`}`,
	}, "")
	return s
}
func (this *RuntimeClass) String() string {
	if this == nil {
		return "nil"
	}
	s := strings.Join([]string{`&RuntimeClass{`,

	"os/exec"
	"path/filepath"
	"strconv"
	"strings"
)

type HTMLWriter struct {
	w             io.WriteCloser
	Func          *Func
	path          string
	dot           *dotWriter
	prevHash      []byte
	pendingPhases []string
	pendingTitles []string
}

func NewHTMLWriter(path string, f *Func, cfgMask string) *HTMLWriter {
	path = strings.Replace(path, "/", string(filepath.Separator), -1)

		return out, nil
	}

	values := strings.Split(options, ",")
	for _, v := range values {
		parts := strings.Split(v, "=")
		if len(parts) != 2 {
			return nil, fmt.Errorf("failed parsing config options: %s", options)
		}
		out[strings.TrimSpace(parts[0])] = strings.TrimSpace(parts[1])
	}
	return out, nil
}

// String implements fmt.Stringer
func (c *Config) String() string {
	result := ""

		if len(res) == 0 {
			res = make([]map[string]string, parts)
		}
		b = b[n:]
		for part := 0; part < int(parts); part++ {
			if len(b) < length {
				break
			}
			// Read part checksum
			cs := base64.StdEncoding.EncodeToString(b[:length])
			b = b[length:]
			if res[part] == nil {
				res[part] = make(map[string]string, 1)
			}
			res[part][typ.String()] = cs
		}
	}
	return res
}