if (exceeded) {
            logger.warn("Max document size is exceeded({}>{}): {}", numFound, fessConfig.getIndexerMaxSearchDocSize(), queryBuilder);
        }

        if (numFound > fessConfig.getIndexerMaxResultWindowSizeAsInteger().longValue()) {
            final List<Map<String, Object>> entityList = new ArrayList<>(Long.valueOf(numFound).intValue());

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

    /**
     * Get the value for the key 'indexer.max.search.doc.size'. <br>
     * The value is, e.g. 50000 <br>