BukkitWorld bkworld = new BukkitWorld(Bukkit.getWorld(world));
		try (EditSession editSession = WorldEdit.getInstance().getEditSessionFactory().getEditSession(bkworld, -1)) {
			Region reg = new CuboidRegion(bkworld, BlockVector3.at(x1, y1, z1), BlockVector3.at(x2, y2, z2));
			bkworld.regenerate(reg, editSession);

			editSession.close();
		} catch(Exception e) {
			e.printStackTrace();
		}