updateSearchRoles(roleSet, entryDn);

                if (StringUtil.isNotBlank(groupFilter)) {
                    subRoleSet.add(entryDn);
                }
            });
        });

        if (logger.isDebugEnabled()) {
            logger.debug("role: {}", roleSet);
        }
        final String[] roles = roleSet.toArray(new String[roleSet.size()]);