code: def on_ask_start(self, smbo: smac.main.BaseSMBO) -> None:
      self.ask_start_counter += 1
  
imports: from __future__ import annotations
  from ConfigSpace import Configuration
  import smac
  from smac import HyperparameterOptimizationFacade, Scenario
  from smac.callback.callback import Callback
  from smac.initial_design import DefaultInitialDesign
  from smac.intensifier.intensifier import Intensifier
  from smac.runhistory import TrialInfo, TrialValue
label_desc: Use image node_id 8 for calling the CustomCallback obj's underlying member method code with example usage: obj.on_ask_start(smbo) without return types