targetSet TargetIDSet
}

// Add - adds unique target to target list.
func (list *TargetList) Add(targets ...Target) error {
	list.Lock()
	defer list.Unlock()

	for _, target := range targets {
		if _, ok := list.targets[target.ID()]; ok {
			return fmt.Errorf("target %v already exists", target.ID())
		}
		list.targets[target.ID()] = target
	}

	return nil
}

func (d *DeletedObject) DeleteMarkerReplicationStatus() replication.StatusType {
	return d.ReplicationState.CompositeReplicationStatus()
}

// ResyncTargetsInfo holds a slice of targets with resync info per target
type ResyncTargetsInfo struct {
	Targets []ResyncTarget `json:"target,omitempty"`
}

	} else {
		bs.XferRateSml.addSize(sz, duration)
	}
}

// RMetricName - name of replication metric
type RMetricName string

const (
	// Large - objects larger than 128MiB
	Large RMetricName = "Large"
	// Small - objects smaller than 128MiB
	Small RMetricName = "Small"
	// Total - metric pertaining to totals
	Total RMetricName = "Total"
)

	errRoleArnPresentForMultipleTargets = Errorf("`Role` should be empty in ReplicationConfiguration for multiple targets")
)

// Config - replication configuration specified in
// https://docs.aws.amazon.com/AmazonS3/latest/dev/replication-add-config.html
type Config struct {
	XMLName xml.Name `xml:"ReplicationConfiguration" json:"-"`
	Rules   []Rule   `xml:"Rule" json:"Rules"`

}

// TargetList - holds list of targets indexed by target ID.
type TargetList struct {
	sync.RWMutex
	targets map[TargetID]Target
}

// Add - adds unique target to target list.
func (list *TargetList) Add(targets ...Target) error {
	list.Lock()
	defer list.Unlock()

	for _, target := range targets {
		if _, ok := list.targets[target.ID()]; ok {
			return fmt.Errorf("target %v already exists", target.ID())
		}

		srvCfg[k][Default] = DefaultKVS[k]
	}
	return srvCfg
}

// Target signifies an individual target
type Target struct {
	SubSystem string
	KVS       KVS
}

// Targets sub-system targets
type Targets []Target

// GetKVS - get kvs from specific subsystem.
func (c Config) GetKVS(s string, defaultKVS map[string]KVS) (Targets, error) {
	if len(s) == 0 {
		return nil, Errorf("input cannot be empty")
	}

		prevEp, _ := url.Parse(prevInfo.Endpoint)
		targets, err := globalBucketTargetSys.ListBucketTargets(ctx, bucket)
		if err != nil {
			continue // site healing will take care of configuring new targets
		}
		for _, target := range targets.Targets {
			if target.SourceBucket == bucket &&
				target.TargetBucket == bucket &&
				target.Endpoint == prevEp.Host &&
				target.Secure == (prevEp.Scheme == "https") &&

			Value: "2",
		},
	}
)

// GetNotifyMySQL - returns a map of registered notification 'mysql' targets
func GetNotifyMySQL(mysqlKVS map[string]config.KVS) (map[string]target.MySQLArgs, error) {
	mysqlTargets := make(map[string]target.MySQLArgs)
	for k, kv := range config.Merge(mysqlKVS, target.EnvMySQLEnable, DefaultMySQLKVS) {
		enableEnv := target.EnvMySQLEnable
		if k != config.Default {

// GetLambdaWebhook - returns a map of registered notification 'webhook' targets
func GetLambdaWebhook(webhookKVS map[string]config.KVS, transport *http.Transport) (
	map[string]target.WebhookArgs, error,
) {
	webhookTargets := make(map[string]target.WebhookArgs)
	for k, kv := range config.Merge(webhookKVS, target.EnvWebhookEnable, DefaultWebhookKVS) {
		enableEnv := target.EnvWebhookEnable
		if k != config.Default {

	},
	{ // 2. replication status for one target
		name:      "replication status for one target",
		rs:        ReplicationState{ReplicationStatusInternal: "arn1=PENDING;", Targets: map[string]replication.StatusType{"arn1": "PENDING"}},
		expStatus: replication.Pending,
	},
	{ // 3. replication status for one target - incorrect format
		name:      "replication status for one target",