type sync.WaitGroup

8 uses

	sync (current package)
		waitgroup.go#L25: type WaitGroup struct {
		waitgroup.go#L45: func (wg *WaitGroup) Add(delta int) {
		waitgroup.go#L88: func (wg *WaitGroup) Done() {
		waitgroup.go#L93: func (wg *WaitGroup) Wait() {

	encoding/json
		encode.go#L353: 		wg sync.WaitGroup

	internal/singleflight
		singleflight.go#L13: 	wg sync.WaitGroup

	net
		lookup.go#L63: var dnsWaitGroup sync.WaitGroup

	net/http
		server.go#L2987: 	listenerGroup sync.WaitGroup