}
            return new Pair<>(StringUtil.EMPTY_STRINGS, StringUtil.EMPTY_STRINGS);
        }
        // Check if cached
        final Pair<String[], String[]> cachedResult = groupCache.getIfPresent(id);
        if (cachedResult != null) {
            if (logger.isDebugEnabled()) {
                logger.debug("[getParentGroup] Cache HIT for id: {}, groups: {}, roles: {}", id, cachedResult.getFirst().length,