code: def validate(self, model: torch.fx.GraphModule) -> None:
      pass
  
imports: from abc import ABC, abstractmethod
  from dataclasses import dataclass, field
  from typing import Callable, Dict, List, Optional, Tuple, Union
  import torch
  from torch import Tensor
  from torch.ao.quantization import ObserverOrFakeQuantize
  from torch.ao.quantization.qconfig import _ObserverOrFakeQuantizeConstructor
  from torch.fx import Node
label_desc: Use image node_id 3 for calling the Quantizer obj's underlying member method code with example usage: obj.validate(model) without return types