code: @SubscribeEvent
  	public void onChunkWatched(ChunkWatchEvent.Watch event)
  	{
  		Chunk chunk = event.getPlayer().world.getChunkFromChunkCoords(event.getChunk().x, event.getChunk().z);
  		for (HandlerInfo<?> handlerInfo : handlerInfos.values())
  		{
  			ChunkData<?> chunkData = instance.chunkData(handlerInfo.identifier, chunk.getWorld(), chunk);
  			if (chunkData != null && chunkData.hasData())
  				BlockDataMessage.sendBlockData(chunk, handlerInfo.identifier, chunkData.toBytes(Unpooled.buffer()), event.getPlayer());
  		}
  	}
docs: Server only.<br>
  Sends the chunks coordinates to the client when they get watched by them.
  
  @param event the event