class_docstr: Base class for budget accountants.
class_docstr_tok: ["Base","class","for","budget","accountants","."]
code: def request_budget(
      self,
      mechanism_type: agg_params.MechanismType,
      sensitivity: float = 1,
      weight: float = 1,
      count: int = 1,
      noise_standard_deviation: Optional[float] = None,
  ) -> MechanismSpec:
      pass
  
imports: import abc
  import collections
  import logging
  import math
  from typing import Optional
  from dataclasses import dataclass
  import pipeline_dp.aggregate_params
  from pipeline_dp import input_validators
label_desc: Use image node_id 2 for calling the BudgetAccountant obj's underlying member method code with example usage: obj.request_budget(mechanism_type, sensitivity, weight, count, noise_standard_deviation) without return types