builder.setQuery(queryBuilder);
                builder.setFrom(0);
                final int maxDocumentCacheSize = fessConfig.getIndexerWebfsMaxDocumentCacheSizeAsInteger();
                builder.setSize(maxDocumentCacheSize <= 0 ? 1 : maxDocumentCacheSize);
                builder.addSort(OpenSearchAccessResult.CREATE_TIME, SortOrder.ASC);
            };

        }

        @Override
        public Integer getIndexerWebfsMaxEmptyListCountAsInteger() {
            return maxEmptyListCount;
        }

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

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

        @Override