code: def _get_default_extractors(self) -> pipeline_dp.DataExtractors:
      return pipeline_dp.DataExtractors(
          privacy_id_extractor=lambda x: x,
          partition_extractor=lambda x: x,
          value_extractor=lambda x: x,
      )
  
imports: import copy
  from absl.testing import absltest
  from absl.testing import parameterized
  import pipeline_dp
  import analysis
  from analysis import metrics
  from analysis import utility_analysis
  from analysis.tests import common
  from typing import Optional
label_desc: Use image node_id 1 for calling the UtilityAnalysis obj's underlying member method code with example usage: obj._get_default_extractors() and returns: pipeline_dp