}

        @Override
        public Integer getSuggestUpdateContentsLimitNumAsInteger() {
            return 10000;
        }

        @Override
        public Integer getSuggestUpdateContentsLimitDocSizeAsInteger() {
            return 50000;
        }

        @Override
        public String getIndexFieldDocId() {
            return "doc_id";
        }

        @Override

            reader.setLimitNumber(fessConfig.getSuggestUpdateContentsLimitNumAsInteger());
            reader.setLimitOfDocumentSize(fessConfig.getSuggestUpdateContentsLimitDocSizeAsInteger());

            final List<FunctionScoreQueryBuilder.FilterFunctionBuilder> flist = new ArrayList<>();

     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     * @throws NumberFormatException When the property is not integer.
     */
    Integer getSuggestUpdateContentsLimitDocSizeAsInteger();

    /**
     * Get the value for the key 'suggest.source.reader.scroll.size'. <br>
     * The value is, e.g. 1 <br>
     * comment: Scroll size for suggestion source reader.