def get_values_by_parameters(self, parameter_ids=None):
pass<EOL>
Gets the ``Values`` for the given parameter ``Ids``.

        arg:    parameter_ids (osid.id.IdList): the ``Id`` of the
                ``Parameter`` to retrieve
        return: (osid.configuration.ValueList) - the value list
        raise:  NotFound - a parameter ``Id`` is not found
        raise:  NullArgument - ``parameter_ids`` is ``null``
        raise:  OperationFailed - unable to complete request
        raise:  PermissionDenied - authorization failure
        *compliance: mandatory -- This method must be implemented.*