class_docstr: Abstract base strategy class.
  
  Implements attributes and operations shared by all strategies, including input and
  compatibility checks between passed estimator, data and task.
code: def __repr__(self):
      strategy_name = self.__class__.__name__
      estimator_name = self.estimator.__class__.__name__
      return "{}({}({}))".format(
          strategy_name,
          estimator_name,
          repr(self.get_params(deep=False)),
      )
  
imports: import pandas
  from joblib import dump, load
  from sklearn.base import ClassifierMixin, RegressorMixin
  from sklearn.model_selection import GridSearchCV, RandomizedSearchCV
  from sklearn.pipeline import Pipeline
  from sktime.base import BaseEstimator
  from sktime.classification.base import BaseClassifier
  from sktime.forecasting.base._sktime import BaseForecaster
  from sktime.regression.base import BaseRegressor
label_desc: Use image node_id 11 for calling the BaseStrategy obj's underlying member method code with example usage: obj.__repr__() and returns: str