while (hitCount > 0) {
                        if (arList.isEmpty()) {
                            ThreadUtil.sleep(fessConfig.getIndexerWebfsCommitMarginTimeAsInteger().longValue());
                            cleanupTime = -1;
                        } else {
                            processAccessResults(docList, accessResultList, arList);

        }

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

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

        @Override
        public String getIndexerWebfsMaxDocumentRequestSize() {
            return "1000";
        }

        @Override

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

    /**
     * Get the value for the key 'indexer.webfs.max.empty.list.count'. <br>
     * The value is, e.g. 3600 <br>
     * comment: Maximum number of empty lists for webfs in the indexer.