}

        public String getTimeAdjustTimeMillis() {
            return get(FessEnv.TIME_ADJUST_TIME_MILLIS);
        }

        public Long getTimeAdjustTimeMillisAsLong() {
            return getAsLong(FessEnv.TIME_ADJUST_TIME_MILLIS);
        }

        public String getMailSendMock() {
            return get(FessEnv.MAIL_SEND_MOCK);
        }

        public boolean isMailSendMock() {