public static void updateContainerData(World world,Chunk chunk,NBTTagCompound nbt){
  if (chunk.isLoaded()) {
    CHUNK_CONTAINER_CACHE.put(new ChunkIdentifier(world,chunk.getChunkCoordIntPair()),new ChunkDataContainer(nbt));
  }
}

public static void updateContainerData ( World world , Chunk chunk , NBTTagCompound nbt ) { if ( chunk . isLoaded ( ) ) { CHUNK_CONTAINER_CACHE . put ( new ChunkIdentifier ( world , chunk . getChunkCoordIntPair ( ) ) , new ChunkDataContainer ( nbt ) ) ; } }
adds or overrides a chunk container
