docs: def get_block_entity_data(self, pos_or_x, y=None, z=None):
          """
          Access block entity data.
  
          Returns:
              BlockEntityData subclass instance or
              None if no block entity data is stored for that location.
          """
          if None not in (y, z):  # x y z supplied
              pos_or_x = pos_or_x, y, z
          coord_tuple = tuple(int(floor(c)) for c in pos_or_x)
          return self.block_entities.get(coord_tuple, None)