}
	return s.String()
}

// KVS - is a shorthand for some wrapper functions
// to operate on list of key values.
type KVS []KV

// Empty - return if kv is empty
func (kvs KVS) Empty() bool {
	return len(kvs) == 0
}

// Clone - returns a copy of the KVS
func (kvs KVS) Clone() KVS {
	return append(make(KVS, 0, len(kvs)), kvs...)
}

	// remove this since we have removed support for this already.
	for k := range s[config.IdentityOpenIDSubSys] {
		for _, dk := range deprecatedKeys {
			kvs := s[config.IdentityOpenIDSubSys][k]
			kvs.Delete(dk)
			s[config.IdentityOpenIDSubSys][k] = kvs
		}
	}

	if err := s.CheckValidKeys(config.IdentityOpenIDSubSys, deprecatedKeys); err != nil {
		return c, err
	}

func LookupConfig(kvs config.KVS) (cfg Config, err error) {
	deprecatedKeys := []string{
		apiReadyDeadline,
		"extend_list_cache_life",
		apiReplicationWorkers,
		apiReplicationFailedWorkers,
		"expiry_workers",
	}

	disableODirect := env.Get(EnvAPIDisableODirect, kvs.Get(apiDisableODirect)) == config.EnableOn
	enableODirect := env.Get(EnvAPIODirect, kvs.Get(apiODirect)) == config.EnableOn

func SetNotifyKafka(s config.Config, name string, cfg target.KafkaArgs) error {
	if !cfg.Enable {
		return nil
	}

	if err := cfg.Validate(); err != nil {
		return err
	}

	s[config.NotifyKafkaSubSys][name] = config.KVS{
		config.KV{
			Key:   config.Enable,
			Value: config.EnableOn,
		},
		config.KV{
			Key: target.KafkaBrokers,
			Value: func() string {
				var brokers []string
				for _, broker := range cfg.Brokers {

	}
	for k, v := range notify.DefaultNotificationKVS {
		kvs[k] = v
	}
	for k, v := range lambda.DefaultLambdaKVS {
		kvs[k] = v
	}
	if globalIsErasure {
		kvs[config.StorageClassSubSys] = storageclass.DefaultKVS
		kvs[config.HealSubSys] = heal.DefaultKVS
	}
	config.RegisterDefaultKVS(kvs)

	// Captures help for each sub-system
	helpSubSys := config.HelpKVS{
		config.HelpKV{

			if err = targetList.Add(t); err != nil {
				return nil, err
			}
		}
	}
	return targetList, nil
}

// DefaultNotificationKVS - default notification list of kvs.
var (
	DefaultNotificationKVS = map[string]config.KVS{
		config.NotifyAMQPSubSys:     DefaultAMQPKVS,
		config.NotifyKafkaSubSys:    DefaultKafkaKVS,
		config.NotifyMQTTSubSys:     DefaultMQTTKVS,
		config.NotifyMySQLSubSys:    DefaultMySQLKVS,

	err = p.parseJSON(data)
	if err != nil {
		return err
	}

	m[policy] = p
	return nil
}

func (ies *IAMEtcdStore) getPolicyDocKV(ctx context.Context, kvs *mvccpb.KeyValue, m map[string]PolicyDoc) error {
	data, err := decryptData(kvs.Value, string(kvs.Key))
	if err != nil {
		if err == errConfigNotFound {
			return errNoSuchPolicy
		}
		return err
	}

	var p PolicyDoc
	err = p.parseJSON(data)

func LookupConfig(kvs config.KVS, setDriveCount int) (cfg Config, err error) {
	cfg = Config{}

	deprecatedKeys := []string{
		"dma",
	}

	if err = config.CheckValidKeys(config.StorageClassSubSys, kvs, DefaultKVS, deprecatedKeys...); err != nil {
		return Config{}, err
	}

	ssc := env.Get(StandardEnv, kvs.Get(ClassStandard))
	rrsc := env.Get(RRSEnv, kvs.Get(ClassRRS))

)

var (
	errInvalidQueueSize = errors.New("invalid queue_size value")
	errInvalidBatchSize = errors.New("invalid batch_size value")
)

// Default KVS for loggerHTTP and loggerAuditHTTP
var (
	DefaultLoggerWebhookKVS = config.KVS{
		config.KV{
			Key:   config.Enable,
			Value: config.EnableOff,
		},
		config.KV{
			Key:   Endpoint,
			Value: "",
		},
		config.KV{

	d := jstream.NewDecoder(r, 0).ObjectAsKVS()
	sset := set.NewStringSet()
	for mv := range d.Stream() {
		var kvs jstream.KVS
		if mv.ValueType == jstream.Object {
			// This is a JSON object type (that preserves key order)
			kvs = mv.Value.(jstream.KVS)
			for _, kv := range kvs {
				if sset.Contains(kv.Key) {
					// Reject duplicate conditions or expiration.