'The default :class:`~ConsistencyLevel` for operations executed through
this session.  This default may be overridden by setting the
:attr:`~.Statement.consistency_level` on individual statements.
.. versionadded:: 1.2.0
.. versionchanged:: 3.0.0
default changed from ONE to LOCAL_ONE'

@property
def default_consistency_level(self):

    return self._default_consistency_level
