// Init initialize target send workers.
func (list *TargetList) Init(workers int) *TargetList {
	startOnce.Do(func() {
		go list.startSendWorkers(workers)
	})
	return list
}

// NewTargetList - creates TargetList.
func NewTargetList(ctx context.Context) *TargetList {
	list := &TargetList{
		targets:     make(map[TargetID]Target),
		queue:       make(chan asyncEvent, maxConcurrentAsyncSend),

}

// FetchEnabledTargets - Returns a set of configured TargetList
func FetchEnabledTargets(ctx context.Context, cfg config.Config, transport *http.Transport) (*event.TargetList, error) {
	targetList := event.NewTargetList()
	for _, subSys := range config.LambdaSubSystems.ToSlice() {
		targets, err := fetchSubSysTargets(ctx, cfg, subSys, transport)
		if err != nil {
			return nil, err
		}
		for _, t := range targets {

}

// FetchEnabledTargets - Returns a set of configured TargetList
func FetchEnabledTargets(ctx context.Context, cfg config.Config, transport *http.Transport) (_ *event.TargetList, err error) {
	targetList := event.NewTargetList(ctx)
	for _, subSys := range config.NotifySubSystems.ToSlice() {
		targets, err := fetchSubSysTargets(ctx, cfg, subSys, transport)
		if err != nil {
			return nil, err
		}
		for _, t := range targets {