code: def get_max_depth(self) -> int:
      return self.model._learner_params["max_depth"]
  
imports: from collections import defaultdict
  from typing import List, Mapping
  import numpy
  import tensorflow_decision_forests
  from tensorflow_decision_forests.component.py_tree.node import LeafNode
  from tensorflow_decision_forests.keras import RandomForestModel
  from tensorflow_decision_forests.tensorflow.core import Task
  from dtreeviz.models.shadow_decision_tree import ShadowDecTree, VisualisationNotYetSupportedError
label_desc: Use image node_id 25 for calling the ShadowTensorflowTree obj's underlying member method code with example usage: obj.get_max_depth() and returns: self