}
                final Pair<String[], String[]> result = new Pair<>(groupList.stream().distinct().toArray(n1 -> new String[n1]),
                        roleList.stream().distinct().toArray(n2 -> new String[n2]));
                if (logger.isDebugEnabled()) {
                    logger.debug("[getParentGroup] Cached result for id {}: {} groups, {} roles", id, result.getFirst().length,