}else{ properties.putAll(revProps);
    public Map getRevisionProperties(long revision, Map properties) throws SVNException {        assertValidRevision(revision);        try {            openRepository();            Map revProps = FSRepositoryUtil.getRevisionProperties(myReposRootDir, revision);            if (properties == null) {                properties = revProps;            }        } finally {            closeRepository();        }        return properties;    }