@abc.abstractmethod<EOL><INDENT>def supports_journal_entry_query(self):<DEDENT>
return<EOL>
Tests if a ``JournalEntry`` is available to provide queries of journaled ``OsidObjects``.

        :return: ``true`` if a journal entry query is available, ``false`` otherwise
        :rtype: ``boolean``


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