if (!jApiMethod.getName().startsWith("getIs")) {
            return false;
        }
        String methodName = "get" + jApiMethod.getName().substring(5);
        return currentMethods.containsKey(AccessorKey.ofMethodWithSameSignatureButNewName(methodName, jApiMethod));
    }

    private static boolean isCurrentGetterThatReplacesBooleanIsGetter(JApiMethod jApiMethod, Map<AccessorKey, UpgradedProperty> currentMethods) {

            if (language == null) {
                return;
            }
        }

        for (final String f : langFields) {
            final String lf = f + "_" + language;
            if (doc.containsKey(f) && !doc.containsKey(lf)) {
                doc.put(lf, doc.get(f));
                if (logger.isDebugEnabled()) {
                    logger.debug("add {} field", lf);
                }
            }
        }
    }

        Map<String, List<String>> result = response.getHeaders();
        assertNotNull(result);
        // Headers should be stored in lowercase
        assertTrue(result.containsKey("content-type"));
        assertTrue(result.containsKey("content-length"));
    }

    @Test
    public void testHeadersWithNullKey() {
        CurlResponse response = new CurlResponse();

    segment.setTableEntryForTesting(index, entry);
    assertThat(segment.get(key, hash)).isNull();
    assertFalse(segment.containsKey(key, hash));
    assertFalse(segment.containsValue(value));

    // count == 1
    segment.count++;
    assertSame(value, segment.get(key, hash));
    assertTrue(segment.containsKey(key, hash));
    assertTrue(segment.containsValue(value));
    // don't see absent values now that count > 0

    segment.setTableEntryForTesting(index, entry);
    assertThat(segment.get(key, hash)).isNull();
    assertFalse(segment.containsKey(key, hash));
    assertFalse(segment.containsValue(value));

    // count == 1
    segment.count++;
    assertSame(value, segment.get(key, hash));
    assertTrue(segment.containsKey(key, hash));
    assertTrue(segment.containsValue(value));
    // don't see absent values now that count > 0

        final Map<String, String[]> params = request.getParameterMap();
        if (logger.isDebugEnabled()) {
            logger.debug("params={}", params);
        }
        return params.containsKey(ERROR) || params.containsKey(ID_TOKEN) || params.containsKey(CODE);
    }

    /**
     * Updates the user's group and role membership information with lazy loading for parent groups.

        List<Element> duplicates = dependencies.stream()
                .filter(dependency -> {
                    String key = createDependencyKey(dependency);
                    if (seenDependencies.containsKey(key)) {
                        context.detail("Fixed: Removed duplicate dependency: " + key + " in " + sectionName);
                        return true; // This is a duplicate
                    } else {

        final CrawlerStatsHelper crawlerStatsHelper = ComponentUtil.getCrawlerStatsHelper();
        synchronized (indexUpdateCallback) {
            // required check
            if (!dataMap.containsKey(fessConfig.getIndexFieldUrl()) || dataMap.get(fessConfig.getIndexFieldUrl()) == null) {
                logger.warn("Could not add document: url field is missing or null");
                return;
            }

            }
            accessResultData.setId(accessResult.getId());

            final Map<String, AccessResultImpl<Long>> arMap = dataHelper.getAccessResultMap(accessResult.getSessionId());
            if (arMap.containsKey(accessResult.getUrl())) {
                throw new CrawlerSystemException(
                        "AccessResult for URL '" + accessResult.getUrl() + "' already exists. Duplicate URLs are not allowed.");
            }

    table.set(index, entry);
    assertThat(segment.get(key, hash)).isNull();
    assertThat(segment.containsKey(key, hash)).isFalse();
    assertThat(segment.containsValue(value)).isFalse();

    // count == 1
    segment.count++;
    assertThat(segment.get(key, hash)).isSameInstanceAs(value);
    assertThat(segment.containsKey(key, hash)).isTrue();
    assertThat(segment.containsValue(value)).isTrue();