code: def criterion(self) -> str:
      raise VisualisationNotYetSupportedError("criterion()", "LightGBM")
  
imports: from collections import defaultdict
  from typing import List, Mapping
  import numpy
  import pandas
  from lightgbm.basic import Booster
  from dtreeviz.models.shadow_decision_tree import ShadowDecTree, VisualisationNotYetSupportedError
  from dtreeviz import utils
label_desc: Use image node_id 9 for calling the ShadowLightGBMTree obj's underlying member method code with example usage: obj.criterion() without return types