}

        @Override
        public Integer getSuggestUpdateRequestIntervalAsInteger() {
            return 1000;
        }

        @Override
        public Integer getSuggestUpdateDocPerRequestAsInteger() {
            return 100;
        }

        @Override
        public Integer getSuggestSourceReaderScrollSizeAsInteger() {
            return 1000;
        }

        @Override

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final long interval = fessConfig.getSuggestUpdateRequestIntervalAsInteger().longValue();
        final int docPerReq = fessConfig.getSuggestUpdateDocPerRequestAsInteger();
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        suggester.indexer().indexFromDocument(() -> {