code: def run() -> None:
      ...
  
file_path: pytorch-lightning/src/lightning/app/components/multi_node/fabric.py
imports: import importlib
  import os
  import warnings
  from dataclasses import dataclass
  from typing import Any, Callable, Protocol, Type, runtime_checkable
  from lightning.app.components.multi_node.base import MultiNode
  from lightning.app.components.multi_node.pytorch_spawn import _PyTorchSpawnRunExecutor
  from lightning.app.core.work import LightningWork
  from lightning.app.utilities.packaging.cloud_compute import CloudCompute
  from lightning.app.utilities.tracer import Tracer
label_desc: Use image node_id 1 for calling the _FabricWorkProtocol obj's underlying member method code with example usage: obj.run() without return types