class LocalJournal implements ChangeJournal {

    @Override
    public JournalRecord lastRecord() {
        return this.records == null || this.records.isEmpty() ? null : this.records.lastEntry().getValue();
    }

    public  LocalJournal( String journalLocation,
                         boolean asyncWritesEnabled,
                         int maxDaysToKeepEntries );
    protected  LocalJournal( String journalLocation );

}