public void onEnable() {
        LenuxPractice.instance = this;
        this.mainConfig = new FileConfig((JavaPlugin)this, "config.yml");
        this.arenaConfig = new FileConfig((JavaPlugin)this, "arenas.yml");
        this.ladderConfig = new FileConfig((JavaPlugin)this, "ladders.yml");
        this.mongoDB = new MongoDB();
        (this.eventManager = new EventManager()).load();
        this.loadLadders();
        this.loadArenas();
        this.loadQueues();
        PlayerHotbar.init();
        LenuxCore.getInstance().setBoardManager(new BoardManager((JavaPlugin)this, (BoardAdapter)new PracticeBoardAdapter()));
        CommandHandler.registerParameterType((Class)Arena.class, (ParameterType)new ArenaParameterType());
        CommandHandler.registerParameterType((Class)ArenaType.class, (ParameterType)new ArenaTypeParameterType());
        CommandHandler.registerParameterType((Class)Ladder.class, (ParameterType)new LadderParameterType());
        CommandHandler.registerParameterType((Class)Queue.class, (ParameterType)new QueueParameterType());
        CommandHandler.loadCommandsFromPackage((Plugin)this, "met.lenuxmc.practice.command");
        ListenerHandler.loadListenersFromPackage((Plugin)this, "net.lenuxmc.practice.listener");
        Settings.register((DefinedSetting)PracticeSetting.RECEIVE_DUEL_REQUESTS, (Object)true);
        Settings.register((DefinedSetting)PracticeSetting.SHOW_SCOREBOARD, (Object)true);
        Settings.register((DefinedSetting)PracticeSetting.ALLOW_SPECTATORS, (Object)true);
        Settings.register((DefinedSetting)PracticeSetting.PING_FACTOR, (Object)false);
        sJar.INSTANCE.addMovementHandler((MovementHandler)new PlayerMovementHandler());
        new QueueThread().start();
        this.getServer().getScheduler().runTaskTimer((Plugin)this, (Runnable)new ExpBarCooldownTask(), 2L, 2L);
        this.getServer().getScheduler().runTaskTimerAsynchronously((Plugin)this, (Runnable)this, 0L, 10L);
        this.getServer().getScheduler().runTaskTimerAsynchronously((Plugin)this, (Runnable)new InventoryCleanupTask(), 100L, 100L);
        this.getServer().getScheduler().runTaskTimerAsynchronously((Plugin)this, (Runnable)new InviteCleanupTask(), 100L, 100L);
        this.getServer().getScheduler().runTaskTimerAsynchronously((Plugin)this, (Runnable)new SaveDataTask(), 6000L, 6000L);
        this.getServer().getScheduler().runTaskTimerAsynchronously((Plugin)this, (Runnable)new RematchExpireRunnable(), 60L, 60L);
        this.getServer().getWorlds().forEach(world -> {
            world.setDifficulty(Difficulty.HARD);
            world.setTime(12000L);
            world.getEntities().forEach(entity -> {
                if (!(entity instanceof Player)) {
                    entity.remove();
                }
            });
            return;