class_docstr: This estimator's `available` parameter toggles the presence of a method
code: def __init__(self, available=True, return_value=1):
      self.available = available
      self.return_value = return_value
  
file_path: scikit-learn/sklearn/utils/tests/test_metaestimators.py
imports: import pickle
  import pytest
  from sklearn.utils.metaestimators import available_if
label_desc: Use image node_id 1 to create a new AvailableParameterEstimator object  with example: obj = AvailableParameterEstimator(available, return_value)