type Config struct {
	// Flag indicating whether callhome is enabled.
	Enable bool `json:"enable"`

	// The interval between callhome cycles
	Frequency time.Duration `json:"frequency"`
}

var configLock sync.RWMutex

// Enabled - indicates if callhome is enabled or not
func (c *Config) Enabled() bool {
	configLock.RLock()
	defer configLock.RUnlock()

	return c.Enable
}

pkg p3, func BadHop(int, int, int) (bool, bool, *ThirdBase, *ThirdBase, error)
pkg p3, method (*ThirdBase) GoodPlayer() (int, int, int)

// for this node or peers
func (sys *HTTPConsoleLoggerSys) HasLogListeners() bool {
	return sys != nil && sys.pubsub.Subscribers() > 0
}

// Subscribe starts console logging for this node.
func (sys *HTTPConsoleLoggerSys) Subscribe(subCh chan log.Info, doneCh <-chan struct{}, node string, last int, logKind madmin.LogMask, filter func(entry log.Info) bool) error {
	// Enable console logging for remote client.
	if !sys.HasLogListeners() {

// status code and to record the response body
type ResponseRecorder struct {
	http.ResponseWriter
	io.ReaderFrom
	StatusCode int
	// Log body of 4xx or 5xx responses
	LogErrBody bool
	// Log body of all responses
	LogAllBody bool

	ttfbHeader time.Duration
	ttfbBody   time.Duration

	StartTime time.Time
	// number of bytes written
	bytesWritten int
	// number of bytes of response headers written

func ContainsReservedChars(s string) bool {
	return strings.ContainsAny(s, reservedChars)
}

// IsAccessKeyValid - validate access key for right length.
func IsAccessKeyValid(accessKey string) bool {
	return len(accessKey) >= accessKeyMinLen
}

// IsSecretKeyValid - validate secret key for right length.
func IsSecretKeyValid(secretKey string) bool {
	return len(secretKey) >= secretKeyMinLen
}

// Borrowed from mutex_test.go
func HammerMutex(m *DRWMutex, loops int, cdone chan bool) {
	for i := 0; i < loops; i++ {
		m.Lock(id, source)
		m.Unlock(context.Background())
	}
	cdone <- true
}

// Borrowed from mutex_test.go
func TestMutex(t *testing.T) {
	loops := 200
	if testing.Short() {
		loops = 5
	}
	c := make(chan bool)
	m := NewDRWMutex(ds, "test")
	for i := 0; i < 10; i++ {

	v, err := arn.NewIAMRoleARN("dummy-internal", "")
	if err != nil {
		panic("should not happen!")
	}
	return v
}()

// Config - OpenID Config
type Config struct {
	Enabled bool

	// map of roleARN to providerCfg's
	arnProviderCfgsMap map[arn.ARN]*providerCfg

	// map of config names to providerCfg's
	ProviderCfgs map[string]*providerCfg

	pubKeys          publicKeys

	scope := pkg.Scope()
	for _, name := range scope.Names() {
		if token.IsExported(name) {
			w.emitObj(scope.Lookup(name))
		}
	}
	pop()
}

func set(items []string) map[string]bool {
	s := make(map[string]bool)
	for _, v := range items {
		s[v] = true
	}
	return s
}

var spaceParensRx = regexp.MustCompile(` \(\S+?\)`)

func featureWithoutContext(f string) string {

)

type AmbientArgs struct {
	SystemNamespace   string
	Revision          string
	KubeConfig        string
	ServerSocket      string
	DNSCapture        bool
	EnableIPv6        bool
	TPROXYRedirection bool

}

const floatCmpTolerance = 0.000001

func (e *In) evalInNode(r Record, lhs *Value, tableAlias string) (*Value, error) {
	// Compare two values in terms of in-ness.
	var cmp func(a, b Value) bool
	cmp = func(a, b Value) bool {
		// Convert if needed.
		inferTypesForCmp(&a, &b)

		if a.Equals(b) {
			return true
		}

		// If elements, compare each.
		aA, aOK := a.ToArray()
		bA, bOK := b.ToArray()