@abc.abstractmethod<EOL><INDENT>def get_values_by_parameters(self, parameter_ids):<DEDENT>
return<EOL>
Gets the ``Values`` for the given parameter ``Ids``.

        :param parameter_ids: the ``Id`` of the ``Parameter`` to retrieve
        :type parameter_ids: ``osid.id.IdList``
        :return: the value list
        :rtype: ``osid.configuration.ValueList``
        :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.*