code: def exhausted(self) -> bool:
      return self.live_child_count == 0
  
file_path: catboost/contrib/python/hypothesis/py3/hypothesis/internal/conjecture/choicetree.py
imports: from collections import defaultdict
  from random import Random
  from typing import Callable, Dict, Iterable, List, Optional, Sequence
  from hypothesis.internal.conjecture.junkdrawer import LazySequenceCopy, pop_random
label_desc: Use image node_id 2 for calling the TreeNode obj's underlying member method code with example usage: obj.exhausted() and returns: unknown