public class testGui extends PaginableInventory implements AutoUpdate {

    private final Player player;
    public testGui(Player player) {
        super(9);
        this.player = player;
    }

    private List<Icon> iconsList() {
        List<Icon> icons = new ArrayList<>();
        for(int i = 0; i == 53; i++) {
            if(getInventory().getItem(i) == null) icons.add(new Icon(MaterialParser.ANVIL.parseItem()));
        }
        return icons;
    }

    @Override
    protected void registerItems(Player player) {
        setPaginableItems(iconsList());
        setPage(0);
    }

    @Override
    public void update(Player player) {
        setPaginableItems(iconsList());
        setPage(getPage() + 1);
    }

    @Override
    public InventoryConstructor getInventoryConstructor() {
        return this;
    }

    @Override
    public Plugin getPlugin() { return eu.bunnygirl.plugintest.Plugin.getPlugin(); }

    @Override
    public Player getPlayer() {
        return player;
    }

    @Override
    public long getTicks() {
        return 80;
    }
}