@Override
    protected void registerHousekeepingTasks() {
        super.registerHousekeepingTasks();
        this.bootstrap.getScheduler().asyncRepeating(new ServiceCacheHousekeepingTask(this.service), 2, TimeUnit.MINUTES);
    }
LuckPerms implementation for the Sponge API.
sponge/src/main/java/me/lucko/luckperms/sponge/LPSpongePlugin.java