code: def save_to_file(self, title, file_output):
      save_plot_file(file_output, title, self._get_plotly_figs(title))
  
file_path: catboost/catboost/python-package/catboost/plot_helpers.py
imports: import json
  import os
  import warnings
  from .None import _catboost
label_desc: Use image node_id 5 for calling the OfflineMetricVisualizer obj's underlying member method code with example usage: obj.save_to_file(title, file_output) without return types