@utilities.arguments_not_none<EOL><INDENT>def set_enabled(self, enabled):<DEDENT>
raise errors.Unimplemented()<EOL>
Sets the administratively enabled flag.

        arg:    enabled (boolean): the new enabled flag
        raise:  InvalidArgument - ``enabled`` is invalid
        raise:  NoAccess - ``Metadata.isReadOnly()`` is ``true``
        *compliance: mandatory -- This method must be implemented.*