// Start all threads
        for (Thread thread : threads) {
            thread.start();
        }

        // Wait for all threads
        for (Thread thread : threads) {
            thread.join();
        }

        // Verify results
        assertTrue(exceptions.isEmpty());
        assertEquals(threadCount / 2 * matchesPerThread, matchCount.get());

        if (logger.isInfoEnabled()) {
            logger.info("[EXEC TIME] crawling time: {}ms", execTime);
        }

        indexUpdater.setFinishCrawling(true);
        try {
            indexUpdater.join();
        } catch (final InterruptedException e) {
            logger.warn("Interrupted index update.", e);
        }

            params.put("Referer", e.getReferer());
            params.put("Languages", e.getLanguages());
            params.put("Virtual Host", e.getVirtualHost());
            params.put("Roles", e.getRoles() != null ? String.join(" ", e.getRoles()) : StringUtil.EMPTY);
            params.put("User Agent", e.getUserAgent());
            e.getSearchFieldLogList().stream().forEach(p -> {
                params.put(p.getFirst(), p.getSecond());

            builder.setSize(fessConfig.getPagingSearchPageMaxSizeAsInteger());
            builder.setFetchSource(fields, null);
            queryHelper.processSearchPreference(builder, userBean, String.join(StringUtil.EMPTY, docIds));
            return true;
        });
    }

    /**
     * Updates a single field of a document.
     *
     * @param id The document ID to update

     */
    @PreDestroy
    public void destroy() {
        generating = false;
        thumbnailQueueThread.interrupt();
        try {
            thumbnailQueueThread.join(10000);
        } catch (final InterruptedException e) {
            logger.warn("Thumbnail thread timed out.", e);
        }
        generatorList.forEach(g -> {
            try {
                g.destroy();

     */
    private void joinCrawlerThread(final Thread crawlerThread) {
        if (crawlerThread != null) {
            try {
                crawlerThread.join();
            } catch (final Exception e) {
                logger.info("Interrupted crawling process: name={}", crawlerThread.getName());
            }
        }
    }

            final float userBoost, @Nullable final String[] tags, @Nullable final String[] roles, @Nullable final String[] languages,
            final Kind kind) {
        this.text = String.join(SuggestConstants.TEXT_SEPARATOR, text);
        this.readings = readings;
        this.fields = fields != null ? fields : new String[] {};
        this.tags = tags != null ? tags : new String[] {};

                    name = null;
                } else if (values.length == 2) {
                    parent = "/";
                    name = values[1];
                } else {
                    parent = StringUtils.join(values, "/", 0, values.length - 1);
                    name = values[values.length - 1];
                }
            }
        }

        /**

            if (values.length == 0) {
                return null;
            }
            if (values.length == 1) {
                return values[0];
            }
            return String.join("\\", Arrays.copyOfRange(values, 1, values.length));
        }
        return name;
    }

    String getLoggingSearchDocsFields();

    default String[] getLoggingSearchDocsFieldsAsArray() {

				<exclusion>
					<groupId>org.opensearch.plugin</groupId>
					<artifactId>lang-painless</artifactId>
				</exclusion>
				<exclusion>
					<groupId>org.opensearch.plugin</groupId>
					<artifactId>parent-join-client</artifactId>
				</exclusion>
				<exclusion>
					<groupId>org.opensearch.plugin</groupId>
					<artifactId>transport-netty4-client</artifactId>
				</exclusion>
				<exclusion>