l.Bins[lastIdx] = tierStats{}
	}
}

func (l *lastDayTierStats) clone() lastDayTierStats {
	clone := lastDayTierStats{
		UpdatedAt: l.UpdatedAt,
	}
	copy(clone.Bins[:], l.Bins[:])
	return clone
}

func (l lastDayTierStats) merge(m lastDayTierStats) (merged lastDayTierStats) {
	cl := l.clone()
	cm := m.clone()

	if cl.UpdatedAt.After(cm.UpdatedAt) {
		cm.forwardTo(cl.UpdatedAt)

}

// Enabled returns if LDAP is enabled.
func (l *Config) Enabled() bool {
	return l.LDAP.Enabled
}

// Clone returns a cloned copy of LDAP config.
func (l *Config) Clone() Config {
	if l == nil {
		return Config{}
	}
	cfg := Config{
		LDAP:              l.LDAP.Clone(),
		stsExpiryDuration: l.stsExpiryDuration,
	}
	return cfg
}

// LDAP keys and envs.
const (

type TargetIDSet map[TargetID]struct{}

// IsEmpty returns true if the set is empty.
func (set TargetIDSet) IsEmpty() bool {
	return len(set) != 0
}

// Clone - returns copy of this set.
func (set TargetIDSet) Clone() TargetIDSet {
	setCopy := NewTargetIDSet()
	for k, v := range set {
		setCopy[k] = v
	}
	return setCopy
}

// add - adds TargetID to the set.

		// when transport is nil, it means we are just validating the
		// inputs not performing any network calls.
		return cfg, nil
	}

	// Make sure to clone the transport before editing the ProxyURL
	if proxyURL != nil {
		ctransport := transport.(*http.Transport).Clone()
		ctransport.Proxy = http.ProxyURL((*url.URL)(proxyURL))
		cfg.transport = ctransport
	} else {
		cfg.transport = transport
	}

	return cfg, nil

		}
	}

	return targetIDs
}

// Clone - returns copy of this rules.
func (rules Rules) Clone() Rules {
	rulesCopy := make(Rules)

	for pattern, targetIDSet := range rules {
		rulesCopy[pattern] = targetIDSet.Clone()
	}

	return rulesCopy
}

// Union - returns union with given rules as new rules.
func (rules Rules) Union(rules2 Rules) Rules {
	nrules := rules.Clone()

	for pattern, targetIDSet := range rules2 {

		for _, name := range eventName.Expand() {
			rulesMap[name] = rulesMap[name].Union(rules)
		}
	}
}

// Clone - returns copy of this rules map.
func (rulesMap RulesMap) Clone() RulesMap {
	rulesMapCopy := make(RulesMap)

	for eventName, rules := range rulesMap {
		rulesMapCopy[eventName] = rules.Clone()
	}

	return rulesMapCopy
}

// Add - adds given rules map.
func (rulesMap RulesMap) Add(rulesMap2 RulesMap) {

		r.columnNames = r.columnNames[:0]
	}
	if len(r.csvRecord) > 0 {
		r.csvRecord = r.csvRecord[:0]
	}
	for k := range r.nameIndexMap {
		delete(r.nameIndexMap, k)
	}
}

// Clone the record.
func (r *Record) Clone(dst sql.Record) sql.Record {
	other, ok := dst.(*Record)
	if !ok {
		other = &Record{}
	}
	if len(other.columnNames) > 0 {
		other.columnNames = other.columnNames[:0]
	}

//
// >0 interval duration between cycles
func (opts Config) BitrotScanCycle() (d time.Duration) {
	configMutex.RLock()
	defer configMutex.RUnlock()
	return opts.cache.bitrotCycle
}

// Clone safely the heal configuration
func (opts Config) Clone() (int, time.Duration, string) {
	configMutex.RLock()
	defer configMutex.RUnlock()
	return opts.IOCount, opts.Sleep, opts.Bitrot
}

			return
		}

		tt := madmin.TraceInternal
		if strings.HasPrefix(tc.FuncName, "s3.") {
			tt = madmin.TraceS3
		}

		// Calculate input body size with headers
		reqHeaders := r.Header.Clone()
		reqHeaders.Set("Host", r.Host)
		if len(r.TransferEncoding) == 0 {
			reqHeaders.Set("Content-Length", strconv.Itoa(int(r.ContentLength)))
		} else {

	// Can return a different record type.
	Set(name string, value *Value) (Record, error)
	WriteCSV(writer io.Writer, opts WriteCSVOpts) error
	WriteJSON(writer io.Writer) error

	// Clone the record and if possible use the destination provided.
	Clone(dst Record) Record
	Reset()

	// Returns underlying representation
	Raw() (SelectObjectFormat, interface{})

	// Replaces the underlying data
	Replace(k interface{}) error
}