@abc.abstractmethod<EOL><INDENT>def get_configuration(self):<DEDENT>
return<EOL>
Gets the current configuration in the runtime environment.

        :return: a configuration
        :rtype: ``osid.configuration.ValueLookupSession``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- an authorization failure occured
        :raise: ``Unimplemented`` -- a configuration service is not supported

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