@Override
    protected void setupManagers() {
        this.userManager = new StandardUserManager(this);
        this.groupManager = new StandardGroupManager(this);
        this.trackManager = new StandardTrackManager(this);
    }
LuckPerms implementation for the Nukkit API.
nukkit/src/main/java/me/lucko/luckperms/nukkit/LPNukkitPlugin.java