code: def extract_label_hook_generator(cfg: AttrDict) -> List[ClassyHook]:
      hooks = []
      if cfg.METERS.model_output_mask:
          hooks.append(ModelOutputMaskHook())
      if cfg.MODEL.FSDP_CONFIG.FORCE_SYNC_CUDA:
          hooks.append(CudaSynchronizeHook())
      return hooks
  
imports: import logging
  import os
  from typing import Any, Callable, List
  import torch
  from classy_vision.hooks import ClassyHook
  from vissl.config import AttrDict
  from vissl.engines.engine_registry import Engine, register_engine
  from vissl.hooks import default_hook_generator
  from vissl.hooks.model_output_mask_hook import ModelOutputMaskHook
  from vissl.hooks.profiling_hook import CudaSynchronizeHook
  from vissl.trainer import SelfSupervisionTrainer
  from vissl.utils.collect_env import collect_env_info
  from vissl.utils.env import get_machine_local_and_dist_rank, print_system_env_info, set_env_vars
  from vissl.utils.hydra_config import print_cfg
  from vissl.utils.logger import setup_logging, shutdown_logging
  from vissl.utils.misc import set_seeds, setup_multiprocessing_method
label_desc: Use image node_id 2 for calling a global function with example usage: extract_label_hook_generator(cfg) and returns: hooks