def save_access_token(self, client_key, access_token, request_token,
            secret=None):
        raise NotImplementedError("Must be implemented by inheriting classes")

    # There be dragons beyond this point, tread lightly.
Marks all of the given aggregated activities as seen or read or both.
dataset/ETHPy150Open ib-lundgren/flask-oauthprovider/flask_oauthprovider.py/OAuthProvider.save_access_token--crossover with--dataset/ETHPy150Open tschellenbach/Stream-Framework/stream_framework/feeds/notification_feed/base.py/BaseNotificationFeed.mark_activities