denom = big.NewInt(1)
	ten   = big.NewInt(10)
)

func extractDigit() int64 {
	if big.CmpInt(numer, accum) > 0 {
		return -1
	}
	tmp1.Lsh(numer, 1).Add(tmp1, numer).Add(tmp1, accum)
	big.DivModInt(tmp1, tmp2, tmp1, denom)
	tmp2.Add(tmp2, numer)
	if big.CmpInt(tmp2, denom) >= 0 {
		return -1
	}
	return tmp1.Int64()
}

func nextTerm(k int64) {
	y2 := k*2 + 1
	accum.Add(accum, tmp1.Lsh(numer, 1))

	}

	return t
}

// Versioning returns true if versioning is enabled
func (b BucketMetadata) Versioning() bool {
	return b.LockEnabled || (b.versioningConfig != nil && b.versioningConfig.Enabled()) || (b.objectLockConfig != nil && b.objectLockConfig.Enabled())
}

// ObjectLocking returns true if object locking is enabled
func (b BucketMetadata) ObjectLocking() bool {

	loggerOnce logger.LogOnce
}

// ID - returns target ID.
func (target *MQTTTarget) ID() event.TargetID {
	return target.id
}

// Name - returns the Name of the target.
func (target *MQTTTarget) Name() string {
	return target.ID().String()
}

// Store returns any underlying store if set.
func (target *MQTTTarget) Store() event.TargetStore {
	return target.store
}

}

// Rules - event rules
type Rules map[string]TargetIDSet

// Add - adds pattern and target ID.
func (rules Rules) Add(pattern string, targetID TargetID) {
	rules[pattern] = NewTargetIDSet(targetID).Union(rules[pattern])
}

// MatchSimple - returns true one of the matching object name in rules.
func (rules Rules) MatchSimple(objectName string) bool {
	for pattern := range rules {

	client       *storage.Client
	Bucket       string
	Prefix       string
	StorageClass string
}

func (gcs *warmBackendGCS) getDest(object string) string {
	destObj := object
	if gcs.Prefix != "" {
		destObj = fmt.Sprintf("%s/%s", gcs.Prefix, object)
	}
	return destObj
}

				idx.Fields = append(idx.Fields, index.Fields...)
				sort.Slice(idx.Fields, func(i, j int) bool {
					return idx.Fields[i].Priority < idx.Fields[j].Priority
				})
			}
		}
	}
	for _, index := range indexes {
		if index.Class == "UNIQUE" && len(index.Fields) == 1 {
			index.Fields[0].Field.UniqueIndex = index.Name
		}
	}
	return indexes
}

func (schema *Schema) LookIndex(name string) *Index {
	if schema != nil {

}

// UnmarshalJSON - Validate SS and RRS parity when unmarshalling JSON.
func (sCfg *Config) UnmarshalJSON(data []byte) error {
	type Alias Config
	aux := &struct {
		*Alias
	}{
		Alias: (*Alias)(sCfg),
	}
	return json.Unmarshal(data, &aux)
}

// IsValid - returns true if input string is a valid
// storage class kind supported.
func IsValid(sc string) bool {
	return sc == RRS || sc == STANDARD
}

	client   *minio.Client
}

func newTestSuiteIAM(c TestSuiteCommon, withEtcdBackend bool) *TestSuiteIAM {
	etcdStr := ""
	if withEtcdBackend {
		etcdStr = " (with etcd backend)"
	}
	return &TestSuiteIAM{
		TestSuiteCommon:       c,
		ServerTypeDescription: fmt.Sprintf("%s%s", c.serverType, etcdStr),
		withEtcdBackend:       withEtcdBackend,
	}
}

func (s *TestSuiteIAM) iamSetup(c *check) {
	var err error

// When the returned function is called it will wait.
func (d *dynamicSleeper) Timer(ctx context.Context) func() {
	t := time.Now()
	return func() {
		doneAt := time.Now()
		d.Sleep(ctx, doneAt.Sub(t))
	}
}

// Sleep sleeps the specified time multiplied by the sleep factor.
// If the factor is updated the sleep will be done again with the new factor.

	http.ResponseWriter
	headerWritten bool
}

func (w *trackingResponseWriter) WriteHeader(statusCode int) {
	if !w.headerWritten {
		w.headerWritten = true
		w.ResponseWriter.WriteHeader(statusCode)
	}
}

func (w *trackingResponseWriter) Write(b []byte) (int, error) {
	return w.ResponseWriter.Write(b)
}

func (w *trackingResponseWriter) Unwrap() http.ResponseWriter {