Blocking world downloader

Example.java

class Example extends JavaPlugin {
  public void onEnable() {
    Bukkit.getMessenger().registerOutgoingPluginChannel(this, "WDL|CONTROL");
		Bukkit.getMessenger().registerIncomingPluginChannel(this, "WDL|INIT", (s, player, bytes) -> {
			ByteArrayDataOutput out = ByteStreams.newDataOutput();
			out.writeInt(1);
			out.writeBoolean(false);
			out.writeInt(1);
			out.writeBoolean(false);
			out.writeBoolean(false);
			out.writeBoolean(false);
			out.writeBoolean(false);
			Bukkit.getLogger().info("Blocking WorldDownloader for " + player.getDisplayName());
			player.sendPluginMessage(this, "WDL|CONTROL", out.toByteArray());
        });
  }

}