docstr: Accounting mechanism name
docstr_tok: ["Accounting","mechanism","name"]
code: def mechanism(cls) -> str:
      """
      Accounting mechanism name
      """
      pass
  
file_path: opacus/opacus/accountants/accountant.py
imports: import abc
  from collections import OrderedDict
  from copy import deepcopy
  from typing import Any, Callable, Mapping, TypeVar
  from opacus.optimizers import DPOptimizer
label_desc: Use image node_id 5 for calling the IAccountant obj's underlying member method code with example usage: obj.mechanism(cls) without return types