def get_session_data(self, session_id, key, default=None):
        sess = self._get_session_info(session_id)
        return sess.setdefault('serverdict', {}).get(key, default)
Support function that scans across a buffer till we hit
dataset/ETHPy150Open matrix-org/synapse/synapse/handlers/auth.py/AuthHandler.get_session_data--crossover with--dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.3/pymel/util/scanf.py/CharacterBuffer.scanPredicate