code: def generate_code_for_shared_state(self) -> Optional[Callable]:
      return None
  
file_path: ffcv/ffcv/pipeline/operation.py
imports: from abc import ABC, abstractmethod
  from typing import TYPE_CHECKING
  from typing import Callable, Optional, Tuple
  import numpy
  from .state import State
  from .allocation_query import AllocationQuery
label_desc: Use image node_id 6 for calling the Operation obj's underlying member method code with example usage: obj.generate_code_for_shared_state() and returns: None