'A default timeout, measured in seconds, for queries executed through
:meth:`.execute()` or :meth:`.execute_async()`.  This default may be
overridden with the `timeout` parameter for either of those methods.
Setting this to :const:`None` will cause no timeouts to be set by default.
Please see :meth:`.ResponseFuture.result` for details on the scope and
effect of this timeout.
.. versionadded:: 2.0.0'

@property
def default_timeout(self):

    return self._default_timeout
