@abc.abstractmethod<EOL><INDENT>def get_configuration_batch_proxy_manager(self):<DEDENT>
return<EOL>
Gets a ``ConfigurationProxyManager``.

        :return: a ``ConfigurationBatchProxyManager``
        :rtype: ``osid.configuration.batch.ConfigurationBatchProxyManager``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``Unimplemented`` -- ``supports_configuration_batch()`` is ``false``

        *compliance: optional -- This method must be implemented if
        ``supports_configuration_batch()`` is ``true``.*