@abc.abstractmethod
  def _Close(self):
Excluding a scope=non-expiring arg should generate a refresh token.
dataset/ETHPy150Open log2timeline/dfvfs/dfvfs/vfs/file_system.py/FileSystem._Close--crossover with--dataset/ETHPy150Open soundcloud/soundcloud-python/soundcloud/tests/test_oauth.py/test_exchange_code_expiring