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,
      )
  
file_path: pipelinedp/analysis/tests/utility_analysis_engine_test.py
imports: from absl.testing import absltest
  from absl.testing import parameterized
  from unittest.mock import patch
  import copy
  import pipeline_dp
  from pipeline_dp import budget_accounting
  from analysis import utility_analysis_engine
  from analysis import metrics
  import analysis
label_desc: Use image node_id 1 for calling the UtilityAnalysisEngineTest obj's underlying member method code with example usage: obj._get_default_extractors() and returns: pipeline_dp