public static Track loadTrack(String target, Sender sender, LuckPermsPlugin plugin) {
        Track track = plugin.getStorage().loadTrack(target).join().orElse(null);
        if (track == null) {
            Message.TRACK_NOT_FOUND.send(sender, target);
            return null;
        }

        return track;
    }
Utility methods for saving users, groups and tracks.
common/src/main/java/me/lucko/luckperms/common/command/utils/StorageAssistant.java