entry.put(new BasicAttribute("cn", user.getName()));
        entry.put(new BasicAttribute("userPassword", user.getOriginalPassword()));

        OptionalUtil.ofNullable(user.getSurname())
                .filter(StringUtil::isNotBlank)
                .ifPresent(s -> entry.put(new BasicAttribute(fessConfig.getLdapAttrSurname(), s)));

        doc1.put("url", "https://example.com/page1.html");
        doc1.put("title", "Page 1");
        doc1.put("content", "Content 1");
        doc1.put("lang", "en");
        doc1.put("host", "example.com");
        doc1.put("cache", "cached1");
        docs.add(doc1);

        final Map<String, Object> doc2 = new LinkedHashMap<>();
        doc2.put("url", "https://other.com/docs/guide");

  public void testSortedMapDifferenceTypical() {
    SortedMap<Integer, String> left =
        ImmutableSortedMap.<Integer, String>reverseOrder()
            .put(1, "a")
            .put(2, "b")
            .put(3, "c")
            .put(4, "d")
            .put(5, "e")
            .build();

    SortedMap<Integer, String> right = ImmutableSortedMap.of(1, "a", 3, "f", 5, "g", 6, "z");

        final List<Map<String, Object>> documents = new ArrayList<>();
        final Map<String, Object> doc = new HashMap<>();
        doc.put("title", "Test Doc");
        doc.put("url", "http://example.com");
        doc.put("content", "<p>Hello <b>world</b></p>");
        doc.put("content_description", "description");
        documents.add(doc);

        final String result = client.testBuildContext(documents);

                        .filter(o -> o != null && keySet.add(o.getFirst()))
                        .collect(HashMap<String, List<String>>::new, (m, d) -> m.put(d.getFirst(), Arrays.asList(d.getSecond().split(","))),
                                HashMap::putAll));
            }
            propMap.put(DEFAULT_LABEL_VALUES, map);
        }
        return map.entrySet().stream().flatMap(e -> {
            final String key = e.getKey();

            if (queries != null && queries.length > 0) {
                doc.put(HL_CACHE, replaceHighlightQueries(cache, queries));
            } else {
                doc.put(HL_CACHE, cache);
            }
        } else {
            doc.put(fessConfig.getIndexFieldCache(), StringUtil.EMPTY);
            doc.put(HL_CACHE, StringUtil.EMPTY);
        }

        try {

        final FessXpathTransformer transformer = createAnchorListTransformer();
        final Map<String, String> rules = new LinkedHashMap<>();
        rules.put("//A", "href");
        rules.put("//IMG", "src");
        transformer.setChildUrlRuleMap(rules);

        final ResponseData responseData = new ResponseData();
        responseData.setUrl("http://example.com/");

              Object value = new Object();
              result.put(key, value);
            }
            result.put(extraKey, extraValue);
            result.put(extraValue, null);
            return result;
          }
        };
    LoadingCache<Object, Object> cache = CacheBuilder.newBuilder().build(loader);
    cache.asMap().put(extraKey, extraKey);

    @Test
    public void test_toJson_and_parseJson_roundtrip() {
        final Map<String, Object> original = new LinkedHashMap<>();
        original.put("type", "operation");
        original.put("name", "reindex");
        original.put("status", "running");
        original.put("createdTime", 1234567890L);

        final String json = coordinatorHelper.toJson(original);

   *     FIRST_LETTER_MULTIMAP = MultimapBuilder.treeKeys().arrayListValues().build();
   *     FIRST_LETTER_MULTIMAP.put('b', "anana");
   *     FIRST_LETTER_MULTIMAP.put('a', "pple");
   *     FIRST_LETTER_MULTIMAP.put('a', "sparagus");
   *     FIRST_LETTER_MULTIMAP.put('c', "arrot");
   *     FIRST_LETTER_MULTIMAP.put('c', "herry");
   * }
   * }
   *
   * <p>To collect to an {@link ImmutableMultimap}, use either {@link