.stream()
                    .filter(e -> (now - e.getValue().getExpiration()) / 1000L > getStateTtl())
                    .map(Map.Entry::getKey)
                    .collect(Collectors.toList())
                    .forEach(s -> {
                        if (logger.isDebugEnabled()) {
                            logger.debug("Removing old state: {}", s);
                        }

                    uq.setUrl(d.getUrl());
                    uq.setWeight(d.getWeight());
                    return uq;
                })
                .collect(Collectors.toList());
        urlQueueService.offerAll(crawlerContext.sessionId, childList);
    }

    /**
     * Stores a single child URL to the crawling queue.
     * @param childUrl The child URL to store.

        // virtualHosts
        putResultDataBody(dataMap, fessConfig.getIndexFieldVirtualHost(),
                stream(crawlingConfig.getVirtualHosts()).get(stream -> stream.filter(StringUtil::isNotBlank).collect(Collectors.toList())));
        // TODO date
        // lang
        if (StringUtil.isNotBlank(fessConfig.getCrawlerDocumentFileDefaultLang())) {

                final List<String> urlList = split(startUrls.toString(), "\n")
                        .get(stream -> stream.map(String::trim).filter(StringUtil::isNotBlank).collect(Collectors.toList()));

                final String webUrls = urlList.stream()
                        .filter(s -> Arrays.stream(webProtocols).anyMatch(p -> s.startsWith(p)))
                        .collect(Collectors.joining("\n"));

            final Set<RequestData> urlSet = e.getChildUrlList();
            assertEquals(5, urlSet.size());
            final List<String> urlList = urlSet.stream().map(x -> x.getUrl()).sorted().toList();
            assertEquals("ftp://localhost:10021/dir1", urlList.get(0));
            assertEquals("ftp://localhost:10021/dir2", urlList.get(1));
            assertEquals("ftp://localhost:10021/text 3.txt", urlList.get(2));

     * the following code can be used:
     *
     * <pre>{@literal
     * List<SourceRoot> enabledRoots = project.getSourceRoots()
     *         .stream().filter(SourceRoot::enabled).toList();
     * }</pre>
     *
     * The iteration order is the order in which the sources are declared in the POM file.
     *
     * @param project the project for which to get the source roots
     */

            String parentPath = entry.getKey();
            List<String> childNames = entry.getValue().stream()
                .map(this::getFileName)
                .collect(Collectors.toList());
            
            // Check if we have cached directory info
            DirectoryCacheEntry cache = leaseManager.getCacheEntry(parentPath);
            if (cache != null && cache.isComplete()) {

                final List<String> existingValues = (List<String>) readingObj;
                concatValues(existingValues, readings[i]);
                map.put(FieldNames.READING_PREFIX + i, existingValues.stream().distinct().toList());
            } else {
                final String[] values = readings[i] == null ? null : Arrays.stream(readings[i]).distinct().toArray(n -> new String[n]);
                map.put(FieldNames.READING_PREFIX + i, values);

          chain: Array<out X509Certificate>,
          authType: String,
          hostname: String,
        ): List<X509Certificate> {
          withHostCalled = true
          return chain.toList()
        }

        override fun getAcceptedIssuers(): Array<X509Certificate> = arrayOf()
      }

    val sslContext =
      Platform.get().newSSLContext().apply {

        final List<String> normalizedReadings =
                elevateWord.getReadings().stream().map(reading -> normalizer.normalize(reading, "")).collect(Collectors.toList());
        final ElevateWord normalized = new ElevateWord(normalizedWord, elevateWord.getBoost(), normalizedReadings, elevateWord.getFields(),
                elevateWord.getTags(), elevateWord.getRoles());