def __init__(self, portal, credentialFactories):
        self._portal = portal
        self._credentialFactories = credentialFactories
Returns:
dataset/ETHPy150Open twisted/twisted/twisted/web/_auth/wrapper.py/HTTPAuthSessionWrapper.__init__--crossover with--dataset/ETHPy150Open meraki-analytics/cassiopeia/cassiopeia/type/core/featuredgames.py/Game.mode