generator = new EditorItem(new ItemStack(Material.FURNACE, 1), "&bGenerator")
                .addExecutor((Player p, Location bloc) -> {
                    p.sendMessage("Generator placed!");
                    editing.get(p.getUniqueId()).getPossibleGeneratorLocations().add(bloc);
                    addShulker(bloc, BLUE, Material.FURNACE, editing.get(p.getUniqueId()));