def get_learning_batch_proxy_manager(self):
raise Unimplemented()<EOL>
Gets a ``LearningBatchProxyManager``.

        :return: a ``LearningBatchProxyManager``
        :rtype: ``osid.learning.batch.LearningBatchProxyManager``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``Unimplemented`` -- ``supports_learning_batch() is false``

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