logger.debug("Resolving group SIDs: {}", sid);
                }
                final SID[] children = context.getSIDResolver()
                        .getGroupMemberSids(context, file.getServer(), sid.getDomainSid(), sid.getRid(),
                                org.codelibs.jcifs.smb.impl.SID.SID_FLAG_RESOLVE_SIDS);
                for (final SID child : children) {
                    if (!sidSet.contains(child)) {

        final int type = sid.getType();
        sidSet.add(sid);
        if (type == SID.SID_TYPE_DOM_GRP || type == SID.SID_TYPE_ALIAS) {
            try {
                final SID[] children = sid.getGroupMemberSids(file.getServer(), (NtlmPasswordAuthentication) file.getPrincipal(),
                        SID.SID_FLAG_RESOLVE_SIDS);
                for (final SID child : children) {
                    if (!sidSet.contains(child)) {