assertEquals("太郎", extractData.getValues("dc:creator")[0]);
        assertEquals("かいしゃ", extractData.getValues("extended-properties:Company")[0]);
        assertEquals("1", extractData.getValues("xmpTPg:NPages")[0]);
        assertEquals("2009-06-26T21:41:00Z", extractData.getValues("dcterms:created")[0]);
        assertEquals("2012-05-18T22:45:00Z", extractData.getValues("dcterms:modified")[0]);

                                if (bitsField != null && !bitsField.getValues().isEmpty()) {
                                    docMap.put(fessConfig.getQueryCollapseInnerHitsName() + "_hash", bitsField.getValues().get(0));
                                }

        assertEquals("ja", result[1].getValues()[1]);
    }

    // Test addRewriter method
    public void test_addRewriter() {
        SearchHelper.SearchRequestParamsRewriter rewriter = p -> p;

        searchHelper.addRewriter(rewriter);

        assertNotNull(searchHelper.searchRequestParamsRewriters);
        assertTrue(searchHelper.searchRequestParamsRewriters.length > 0);
    }

                                    || Constants.MAPPING_TYPE_PDF_DATE.equalsIgnoreCase(mapping.getValue2())) {
                                final String dateFormat;
                                if (StringUtil.isNotBlank(mapping.getValue3())) {
                                    dateFormat = mapping.getValue3();
                                } else if (Constants.MAPPING_TYPE_PDF_DATE.equalsIgnoreCase(mapping.getValue2())) {

                            if (lowerName.contains("comment") || lowerName.contains("text")) {
                                final String[] values = metadata.getValues(name);
                                if (values != null) {
                                    Collections.addAll(list, values);
                                }
                            }

                        docMap.putAll(fields.entrySet()
                                .stream()
                                .collect(Collectors.toMap(Entry::getKey, e -> (Object) e.getValue().getValues())));
                    }

                    final ViewHelper viewHelper = ComponentUtil.getViewHelper();
                    if (viewHelper != null && !docMap.isEmpty()) {

            if (boostList != null) {
                boostList.forEach(pair -> list.add(new FilterFunctionBuilder(pair.getValue2(), pair.getValue3())));
            }
        });
    }

    /**
     * Retrieves a list of boosted documents for the specified KeyMatch.
     *
     * @param keyMatch The KeyMatch instance.

        assertNotNull(task);
        assertNotNull(task.getValue1());
        assertNotNull(task.getValue2());
        assertNotNull(task.getValue3());
        assertEquals("task-id", task.getValue1());
        assertEquals(path, task.getValue2());
        assertEquals("application/pdf", task.getValue3());
    }

    public void test_createTask_withNullPath() {

            for (final String target : targets) {
                final ThumbnailQueue entity = new ThumbnailQueue();
                entity.setGenerator(task.getValue1());
                entity.setThumbnailId(task.getValue2());
                entity.setPath(task.getValue3());
                entity.setTarget(target);
                entity.setCreatedBy(Constants.SYSTEM_USER);

                try {
                    list.add(new LabelTypePattern(labelType.getValue(), includedPaths, excludedPaths));
                } catch (final Exception e) {
                    logger.warn("Failed to create a matching pattern of a label: {}, includedPaths:{}, excludedPaths:{}",
                            labelType.getValue(), includedPaths, excludedPaths, e);
                }
            }
        }