const os/user.maxGroups

3 uses

	os/user (current package)
		getgrouplist_darwin.go#L51: 		if *n > maxGroups {
		getgrouplist_darwin.go#L52: 			return fmt.Errorf("user: %q is a member of more than %d groups", username, maxGroups)
		listgroups_unix.go#L25: const maxGroups = 2048