}
}

func (ats *allTierStats) addSizes(tiers map[string]tierStats) {
	for tier, st := range tiers {
		ats.Tiers[tier] = ats.Tiers[tier].add(st)
	}
}

func (ats *allTierStats) merge(other *allTierStats) {
	for tier, st := range other.Tiers {
		ats.Tiers[tier] = ats.Tiers[tier].add(st)
	}
}

func (ats *allTierStats) clone() *allTierStats {
	if ats == nil {
		return nil
	}
	dst := *ats

			Key:         target.NATSAddress,
			Description: "NATS server address e.g. '0.0.0.0:4222'",
			Type:        "address",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         target.NATSSubject,
			Description: "NATS subscription subject",
			Type:        "string",
		},
		config.HelpKV{
			Key:         target.NATSUsername,
			Description: "NATS username",
			Optional:    true,
			Type:        "string",

		}
		if err = mysqlArgs.Validate(); err != nil {
			return nil, err
		}
		mysqlTargets[k] = mysqlArgs
	}
	return mysqlTargets, nil
}

// DefaultNATSKVS - NATS KV for nats config.
var (
	DefaultNATSKVS = config.KVS{
		config.KV{
			Key:   config.Enable,
			Value: config.EnableOff,
		},
		config.KV{
			Key:   target.NATSAddress,
			Value: "",
		},

	EnvNATSEnable        = "MINIO_NOTIFY_NATS_ENABLE"
	EnvNATSAddress       = "MINIO_NOTIFY_NATS_ADDRESS"
	EnvNATSSubject       = "MINIO_NOTIFY_NATS_SUBJECT"
	EnvNATSUsername      = "MINIO_NOTIFY_NATS_USERNAME"
	NATSUserCredentials  = "MINIO_NOTIFY_NATS_USER_CREDENTIALS"
	EnvNATSPassword      = "MINIO_NOTIFY_NATS_PASSWORD"
	EnvNATSToken         = "MINIO_NOTIFY_NATS_TOKEN"
	EnvNATSTLS           = "MINIO_NOTIFY_NATS_TLS"

				}
				err = z.ReplicationStats.DecodeMsg(dc)
				if err != nil {
					err = msgp.WrapError(err, "ReplicationStats")
					return
				}
			}
		case "ats":
			if dc.IsNil() {
				err = dc.ReadNil()
				if err != nil {
					err = msgp.WrapError(err, "AllTierStats")
					return
				}
				z.AllTierStats = nil
			} else {

			Description:     "publish bucket notifications to MQTT endpoints",
			MultipleTargets: true,
		},
		config.HelpKV{
			Key:             config.NotifyNATSSubSys,
			Description:     "publish bucket notifications to NATS endpoints",
			MultipleTargets: true,
		},
		config.HelpKV{
			Key:             config.NotifyNSQSubSys,
			Description:     "publish bucket notifications to NSQ endpoints",
			MultipleTargets: true,
		},