@abc.abstractmethod<EOL><INDENT>def get_translation_session(self):<DEDENT>
return<EOL>
Gets an ``OsidSession`` associated with the language translation service.

        :return: a ``TranslationSession``
        :rtype: ``osid.locale.TranslationSession``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``Unimplemented`` -- ``supports_translation()`` is ``false``

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