def __init__(self, estimator):
        """
        Create a DatabaseReconstruction instance.

        :param estimator: Trained target estimator.
        """
        super().__init__(estimator=estimator)

        self.params = self.estimator.get_trainable_attribute_names()

        Create a DatabaseReconstruction instance.

        :param estimator: Trained target estimator.
        
art/attacks/inference/reconstruction/white_box.py