const log.LstdFlags

3 uses

	log (current package)
		log.go#L50: 	LstdFlags     = Ldate | Ltime // initial values for the standard logger
		log.go#L87: var std = New(os.Stderr, "", LstdFlags)

	google.golang.org/grpc/grpclog/internal
		loggerv2.go#L250: 	flag := log.LstdFlags