@property<EOL><INDENT>def namespace(self):<DEDENT>
return self._namespace<EOL>
Gets the namespace of this V1beta1Subject.
Namespace of the referenced object.  If the object kind is non-namespace, such as \"User\" or \"Group\", and this value is not empty the Authorizer should report an error.

:return: The namespace of this V1beta1Subject.
:rtype: str