public void addChunkLoader(ChunkLoader chunkLoader) {
    Block block =
        getServer()
            .getWorld(chunkLoader.getWorld())
            .getBlockAt(chunkLoader.getX(), chunkLoader.getY(), chunkLoader.getZ());

    ChunkLoader existing =
        chunkLoaders.stream().filter(c -> c.getBlock().equals(block)).findFirst().orElse(null);

    if (existing != null) existing.delete();

    chunkLoader.setBlock(block);

    block.setType(getChunkLoaderMaterial(chunkLoader.getChunkType()));

    getChunkLoaders().add(chunkLoader);

    chunkLoader.load();

    data.saveChunkLoader(chunkLoader);

    Player player = getServer().getPlayer(chunkLoader.getOwner());
    if (player != null && player.isOnline())
      player.sendMessage(
          String.format(
              "%sSuccessfully placed %s chunk loader with and ID of %s and %s chunks",
              ChatColor.GOLD,
              chunkLoader.getChunkType(),
              chunkLoader.getId(),
              chunkLoader.getSize()));
  }
  public void deleteChunkLoader(ChunkLoader chunkLoader) {
    if (chunkLoader.isLoaded()) chunkLoader.delete();

    chunkLoader.getBlock().setType(Material.AIR);

    chunkLoaders.remove(chunkLoader);
    data.deleteChunkLoader(chunkLoader);
  }