var google.golang.org/api/transport/http.appengineUrlfetchHook

3 uses

	google.golang.org/api/transport/http (current package)
		dial.go#L163: var appengineUrlfetchHook func(context.Context) http.RoundTripper
		dial.go#L171: 	if appengineUrlfetchHook != nil {
		dial.go#L172: 		return appengineUrlfetchHook(ctx)