text: from barl_envs.envs.discrete_rooms.rooms import DiscreteRoomEnvironment
  from barl_envs.envs.discrete_rooms.rooms import DiscreteDefaultTwoRooms
  from barl_envs.envs.discrete_rooms.rooms import DiscreteDefaultSixRooms
  from barl_envs.envs.discrete_rooms.rooms import DiscreteXuFourRooms
  from barl_envs.envs.discrete_rooms.rooms import BridgeRoom
  from barl_envs.envs.discrete_rooms.rooms import CageRoom
  from barl_envs.envs.discrete_rooms.rooms import EmptyRoom
  from barl_envs.envs.discrete_rooms.rooms import SmallRooms
  from barl_envs.envs.discrete_rooms.rooms import FourRooms
  from barl_envs.envs.discrete_rooms.rooms import FourRoomsHoles
  from barl_envs.envs.discrete_rooms.rooms import MazeRooms
  from barl_envs.envs.discrete_rooms.rooms import SpiralRoom