class_docstr: Defines the top-level RAITextInsights API.
  
  Use RAITextInsights to assess text machine learning models in a
  single API.
class_docstr_tok: ["Defines","the","top-level","RAITextInsights","API",".","Use","RAITextInsights","to","assess","text","machine","learning","models","in","a","single","API","."]
docstr: Save the copy of raw data and their related metadata.
  
  :param path: The directory path to save the RAIBaseInsights to.
  :type path: str
docstr_tok: ["Save","the","copy","of","raw","data","and","their","related","metadata",".",":","param","path",":","The","directory","path","to","save","the","RAIBaseInsights","to",".",":","type","path",":","str"]
code: def _save_ext_data(self, path):
      """Save the copy of raw data and their related metadata.
  
      :param path: The directory path to save the RAIBaseInsights to.
      :type path: str
      """
      data_directory = (
          Path(path) / SerializationAttributes.DATA_DIRECTORY
      )
      ext_path = data_directory / (_EXT_TEST + _JSON_EXTENSION)
      ext_features_path = data_directory / (
          _EXT_FEATURES + _JSON_EXTENSION
      )
      self._save_list_data(ext_path, self._ext_test)
      self._save_list_data(ext_features_path, self._ext_features)
  
imports: import json
  import logging
  import pickle
  import warnings
  from enum import Enum
  from pathlib import Path
  from typing import Any, List, Optional, Union
  import numpy
  import pandas
  from ml_wrappers import wrap_model
  from erroranalysis._internal.cohort_filter import FilterDataWithCohortFilters
  from raiutils.data_processing import convert_to_list, serialize_json_safe
  from raiutils.models import SKLearn, is_classifier
  from responsibleai._interfaces import Dataset, RAIInsightsData
  from responsibleai._internal.constants import ManagerNames, Metadata, SerializationAttributes
  from responsibleai.exceptions import UserConfigValidationException
  from responsibleai.feature_metadata import FeatureMetadata
  from responsibleai.rai_insights.rai_base_insights import RAIBaseInsights
  from responsibleai_text.common.constants import ModelTask
  from responsibleai_text.managers.error_analysis_manager import ErrorAnalysisManager
  from responsibleai_text.managers.explainer_manager import ExplainerManager
  from responsibleai_text.utils.feature_extractors import extract_features, get_text_columns
label_desc: Use image node_id 12 for calling the RAITextInsights obj's underlying member method code with example usage: obj._save_ext_data(path) without return types