def set_registry(self, registry=None):
pass<EOL>
Sets the registry flag that indicates if the parameters mapped to this configuration contain no values.

        arg:    registry (boolean): ``true`` if the parameters in this
                configuration cannot contain values, ``false`` otherwise
        raise:  InvalidArgument - ``registry`` is invalid
        raise:  NoAccess - ``registry`` cannot be modified
        *compliance: mandatory -- This method must be implemented.*