text: from .objects import MujocoObject, MujocoXMLObject, MujocoGeneratedObject
  from .generated_objects import CompositeBodyObject, CompositeObject, PrimitiveObject
  
  from .xml_objects import (
      BottleObject,
      CanObject,
      LemonObject,
      MilkObject,
      BreadObject,
      CerealObject,
      SquareNutObject,
      RoundNutObject,
      MilkVisualObject,
      BreadVisualObject,
      CerealVisualObject,
      CanVisualObject,
      PlateWithHoleObject,
      DoorObject,
  )
  from .primitive import *
  from .composite import *
  from .composite_body import *
  