Add `filepaths` to blacklisted filepaths.
        If `remove_from_stored` is `True`, any `filepaths` in
        internal state will be automatically removed.

def add_blacklisted_filepaths(self, filepaths, remove_from_stored=True):
        """
        Add `filepaths` to blacklisted filepaths.
        If `remove_from_stored` is `True`, any `filepaths` in
        internal state will be automatically removed.
        """
        self.file_manager.add_blacklisted_filepaths(filepaths,
                                                    remove_from_stored)