def __call__(self, preds: np.ndarray) -> np.ndarray:
        """
        Perform model postprocessing and return postprocessed output.

        :param preds: model output to be postprocessed.
        :return: Postprocessed model output.
        """
        post_preds = preds.copy()
        post_preds[post_preds < self.cutoff] = 0.0

        return post_preds

        Perform model postprocessing and return postprocessed output.

        :param preds: model output to be postprocessed.
        :return: Postprocessed model output.
        
art/defences/postprocessor/high_confidence.py