const time.Nanosecond

12 uses

	time (current package)
		format.go#L1496: 	"ns": uint64(Nanosecond),
		time.go#L608: 	Nanosecond  Duration = 1
		time.go#L609: 	Microsecond          = 1000 * Nanosecond

	github.com/golang/protobuf/jsonpb
		encode.go#L159: 	const secondInNanos = int64(time.Second / time.Nanosecond)

	github.com/golang/protobuf/ptypes
		duration.go#L35: 		d += time.Duration(dur.Nanos) * time.Nanosecond

	github.com/robfig/cron/v3
		constantdelay.go#L26: 	return t.Add(schedule.Delay - time.Duration(t.Nanosecond())*time.Nanosecond)
		spec.go#L82: 	t = t.Add(1*time.Second - time.Duration(t.Nanosecond())*time.Nanosecond)

	google.golang.org/grpc/internal/grpcutil
		encode_duration.go#L46: 	if d := div(t, time.Nanosecond); d <= maxTimeoutValue {

	google.golang.org/grpc/internal/transport
		http_util.go#L193: 		return time.Nanosecond, true

	google.golang.org/protobuf/types/known/durationpb
		duration.pb.go#L181: 	d += time.Duration(nanos) * time.Nanosecond

	os
		exec_unix.go#L101: 	return time.Duration(p.rusage.Utime.Nano()) * time.Nanosecond
		exec_unix.go#L105: 	return time.Duration(p.rusage.Stime.Nano()) * time.Nanosecond