code: def expected_component_names():
      return params_component_breakdowns()["expected_component_names"]
  
imports: import datetime
  import math
  import sys
  from functools import partial
  import numpy
  import pandas
  import pytest
  from pandas.testing import assert_frame_equal
  from pandas.testing import assert_series_equal
  from sklearn.pipeline import Pipeline
  from greykite.common import constants
  from greykite.common.evaluation import ElementwiseEvaluationMetricEnum
  from greykite.common.evaluation import EvaluationMetricEnum
  from greykite.common.python_utils import assert_equal
  from greykite.common.testing_utils import gen_sliced_df
  from greykite.framework.input.univariate_time_series import UnivariateTimeSeries
  from greykite.framework.output.univariate_forecast import UnivariateForecast
  from greykite.framework.pipeline.utils import get_forecast
  from greykite.sklearn.estimator.prophet_estimator import ProphetEstimator
  from greykite.sklearn.estimator.silverkite_estimator import SilverkiteEstimator
  from greykite.sklearn.estimator.testing_utils import params_component_breakdowns
label_desc: Use image node_id 3 for calling a global function with example usage: expected_component_names() and returns: params_component_breakdowns