code: def _init_deepspeed_distributed(self) -> None:
      import deepspeed
  
      assert self.cluster_environment is not None
      if platform.system() != "Windows":
          # do not set env variables on windows, allow deepspeed to control setup
          self._set_node_environment_variables()
          log.info(
              "initializing deepspeed distributed: "
              f"GLOBAL_RANK: {self.global_rank}, "
              f"MEMBER: {self.global_rank + 1}/{self.world_size}"
          )
      self._process_group_backend = self._get_process_group_backend()
      deepspeed.init_distributed(
          self._process_group_backend,
          distributed_port=self.cluster_environment.main_port,
      )
  
imports: import argparse
  import json
  import logging
  import os
  import platform
  from contextlib import ExitStack
  from itertools import chain
  from pathlib import Path
  from typing import TYPE_CHECKING, Any, Callable, ContextManager, Dict, List, Mapping, Optional, Tuple, Union
  import torch
  from lightning_utilities.core.imports import RequirementCache
  from torch.nn import Module
  from torch.optim import Optimizer
  from typing_extensions import override
  from lightning.fabric.accelerators import Accelerator, CUDAAccelerator
  from lightning.fabric.plugins.environments.cluster_environment import ClusterEnvironment
  from lightning.fabric.plugins.precision import Precision
  from lightning.fabric.strategies.ddp import DDPStrategy
  from lightning.fabric.strategies.registry import _StrategyRegistry
  from lightning.fabric.strategies.strategy import _Sharded
  from lightning.fabric.utilities.distributed import log
  from lightning.fabric.utilities.load import _move_state_into
  from lightning.fabric.utilities.rank_zero import rank_zero_info, rank_zero_warn
  from lightning.fabric.utilities.seed import reset_seed
  from lightning.fabric.utilities.types import _PATH
label_desc: Use image node_id 18 for calling the DeepSpeedStrategy obj's underlying member method code with example usage: obj._init_deepspeed_distributed() without return types