docstr: Return privacy budget (epsilon) expended so far.
  
  Args:
      delta: target delta
      *args: subclass-specific args
      **kwargs: subclass-specific kwargs
docstr_tok: ["Return","privacy","budget","(","epsilon",")","expended","so","far",".","Args",":","delta",":","target","delta","*","args",":","subclass-specific","args","*","*","kwargs",":","subclass-specific","kwargs"]
code: def get_epsilon(self, delta: float, *args, **kwargs) -> float:
      """
      Return privacy budget (epsilon) expended so far.
  
      Args:
          delta: target delta
          *args: subclass-specific args
          **kwargs: subclass-specific kwargs
      """
      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 3 for calling the IAccountant obj's underlying member method code with example usage: obj.get_epsilon(delta) without return types