@abc.abstractmethod<EOL><INDENT>def get_configuration_lookup_session(self):<DEDENT>
return<EOL>
Gets a configuration lookup session.

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

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