code: def get_case(self):
      return self._case
  
file_path: catboost/catboost/python-package/catboost/eval/_fold_model.py
imports: import os
  from ..None import CatBoostError, CatBoost
label_desc: Use image node_id 4 for calling the FoldModel obj's underlying member method code with example usage: obj.get_case() and returns: self