final Trans2GetDfsReferralResponse resp = new Trans2GetDfsReferralResponse(ctx.getConfig());
                ipc.send(new Trans2GetDfsReferral(ctx.getConfig(), path), resp);
                dfsResp = resp.getDfsResponse();
            }

            if (dfsResp.getNumReferrals() == 0) {
                return null;
            }
            if (rn == 0 || dfsResp.getNumReferrals() < rn) {