@abc.abstractmethod<EOL><INDENT>def get_branch(self):<DEDENT>
return<EOL>
Gets this service branch.

        :return: the service branch
        :rtype: ``osid.journaling.Branch``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``Unimplemented`` -- ``supports_journal_branching()`` is ``false``

        *compliance: mandatory -- This method must be implemented.*