@kind.setter<EOL><INDENT>def kind(self, kind):<DEDENT>
if kind is None:<EOL><INDENT>raise ValueError("<STR_LIT>")<EOL><DEDENT>self._kind = kind<EOL>
Sets the kind of this V1alpha1Subject.
Kind of object being referenced. Values defined by this API group are \"User\", \"Group\", and \"ServiceAccount\". If the Authorizer does not recognized the kind value, the Authorizer should report an error.

:param kind: The kind of this V1alpha1Subject.
:type: str