if (childUrlSet != null) {
            // add an url
            try {
                storeChildUrls(childUrlSet.stream().filter(rd -> StringUtil.isNotBlank(rd.getUrl())).collect(Collectors.toSet()),
                        urlQueue.getUrl(), urlQueue.getDepth() != null ? urlQueue.getDepth() + 1 : 1);
            } catch (final Throwable t) {
                if (!ComponentUtil.available()) {

                return Map.of();
            }
        }.getChildUrlRules(null, null).map(v -> v.getFirst() + ":" + v.getSecond()).collect(Collectors.joining(",")));
        assertEquals("//A:href", new FessXpathTransformer() {
            protected Map<String, String> getConfigPrameterMap(final ResponseData responseData, final ConfigName config) {

                    final List<String> docIds = urlResults.stream()
                            .map(doc -> (String) doc.get("doc_id"))
                            .filter(id -> id != null)
                            .collect(Collectors.toList());
                    final List<Map<String, Object>> fullDocs = fetchFullContent(docIds);
                    callback.onPhaseComplete(ChatPhaseCallback.PHASE_FETCH);
                    sources = fullDocs;

     * @return The converted map.
     */
    protected Map<String, Object> toLowerHyphen(final Map<String, Object> source) {
        return source.entrySet()
                .stream()
                .collect(Collectors.toMap(e -> CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_UNDERSCORE, e.getKey()), e -> {
                    final Object value = e.getValue();
                    if (value instanceof Map) {

        // (member:1.2.840.113556.1.4.1941:=%s)
        if (subRoleSet.isEmpty()) {
            return;
        }
        String filter = subRoleSet.stream().map(s -> String.format(groupFilter, s)).collect(Collectors.joining());
        if (subRoleSet.size() > 1) {
            filter = "(|" + filter + ")";
        }

        if (logger.isDebugEnabled()) {
            logger.debug("Group filter: {}", filter);

        assertEquals("", systemHelper.abbreviateLongText(""));
        assertEquals(4000, systemHelper.abbreviateLongText(Stream.generate(() -> "a").limit(4000).collect(Collectors.joining())).length());
        assertEquals(4000, systemHelper.abbreviateLongText(Stream.generate(() -> "a").limit(4001).collect(Collectors.joining())).length());
    }

    @Test
    public void test_getLanguageItems() {

        } else {
            availableSearcherNameSet = StreamUtil.split(value, ",")
                    .get(stream -> stream.map(String::trim).filter(StringUtil::isNotBlank).collect(Collectors.toUnmodifiableSet()));
        }
        if (logger.isDebugEnabled()) {
            logger.debug("Available searchers: names={}", availableSearcherNameSet);
        }
    }

    @Override

            @Override
            protected List<String> loadDataStoreNameList() {
                // Return unsorted list to test sorting
                return List.of("Zebra", "Apple", "Banana").stream().sorted().collect(java.util.stream.Collectors.toList());
            }
        };

        List<String> names = testFactory.loadDataStoreNameList();
        assertEquals(3, names.size());
        assertEquals("Apple", names.get(0));

                    resultMap.put("index", index);
                    resultMap.put("ids", termsQueryBuilder.values().stream().map(Object::toString).collect(Collectors.toList()));
                    return 1;
                }
                return 0;
            }
        };
        ComponentUtil.register(client, "searchEngineClient");

                    logger.debug(() -> "Refreshed " + stream(indices).get(stream -> stream.collect(Collectors.joining(", "))));
                }
            }

            @Override
            public void onFailure(final Exception e) {
                logger.error(() -> "Failed to refresh " + stream(indices).get(stream -> stream.collect(Collectors.joining(", "))), e);
            }
        });

    }