@property<EOL><INDENT>def api_group(self):<DEDENT>
return self._api_group<EOL>
Gets the api_group of this V1Subject.
APIGroup holds the API group of the referenced subject. Defaults to \"\" for ServiceAccount subjects. Defaults to \"rbac.authorization.k8s.io\" for User and Group subjects.

:return: The api_group of this V1Subject.
:rtype: str