code: def supported_devices(self) -> List[str]:
      pass
  
file_path: ColossalAI/colossalai/booster/plugin/plugin_base.py
imports: from abc import ABC, abstractmethod
  from typing import Callable, Iterator, List, Optional, Tuple
  import torch.nn
  from torch.optim import Optimizer
  from torch.optim.lr_scheduler import _LRScheduler
  from torch.utils.data import DataLoader, Dataset
  from colossalai.checkpoint_io import CheckpointIO
  from colossalai.interface import OptimizerWrapper
label_desc: Use image node_id 1 for calling the Plugin obj's underlying member method code with example usage: obj.supported_devices() without return types