}
        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Failed to list objects in {}", bucket, e);
            }
        }

        items.addAll(fileItems);
        return items;
    }

    @Override
    public Map<String, String> getObjectTags(final String objectName) {
        try {

        while (true) {
            List<String> resultIds = jsonPath.getList("hits.hits._id");
            if (resultIds.size() == 0) {
                break;
            }
            docIds.addAll(resultIds);
            Map<String, Object> scrollBody = new HashMap<>();
            scrollBody.put("scroll", "1m");
            scrollBody.put("scroll_id", scrollId);

        final Set<String> allowedQueries = new java.util.HashSet<>();
        for (final FacetQueryView view : facetQueryViewList) {
            allowedQueries.addAll(view.getQueryMap().values());
        }
        final List<String> validQueries = new ArrayList<>();
        for (final String eq : extraQueries) {
            if (eq != null && allowedQueries.contains(eq)) {

            final String[] values = form.fields.get(LABEL_FIELD);
            final List<String> labelList = new ArrayList<>();
            if (values != null) {
                Collections.addAll(labelList, values);
            }
            for (final String labelTypeValue : labelList) {
                for (final Map<String, String> map : labelTypeItems) {

        assertEquals(1, chain3.updateCallCount);
    }

    // Test addChain null handling
    @Test
    public void test_addChain_withNull() {
        // ArrayUtils.addAll handles null gracefully by adding it to the array
        authenticationManager.addChain(null);

        // Verify null chain doesn't cause issues during operations
        User user = createTestUser("testuser");

                            if (existingSearchers != null) {
                                existingDoc.put(Constants.SEARCHER, ArrayUtil.addAll(existingSearchers, searcherNames));
                            } else {
                                existingDoc.put(Constants.SEARCHER, searcherNames);
                            }
                        }

                        try {
                            collector.collectFrom(sourceFile).forEach { (version, incubating) ->
                                versionToIncubating.getOrPut(version) { mutableSetOf() }.addAll(incubating)
                            }
                        } catch (e: Exception) {
                            throw Exception("Unable to parse $sourceFile", e)
                        }
                    }

        if (proxy == null) {
            if (StringUtil.isNotBlank(getHttpProxyHost()) && getHttpProxyPortAsInteger() != null) {
                final SocketAddress addr = new InetSocketAddress(getHttpProxyHost(), getHttpProxyPortAsInteger());
                proxy = new Proxy(Type.HTTP, addr);
                if (StringUtil.isNotBlank(getHttpProxyUsername())) {
                    Authenticator.setDefault(new Authenticator() {

        return getEntity(form).map(entity -> {
            copyMapToBean(form.attributes, entity, op -> op.exclude(Constants.COMMON_CONVERSION_RULE));
            copyBeanToBean(form, entity, op -> op.exclude(ArrayUtils.addAll(Constants.COMMON_CONVERSION_RULE, "password")));
            if (form.crudMode.intValue() == CrudMode.CREATE || StringUtil.isNotBlank(form.password)) {

            if (logger.isDebugEnabled()) {
                logger.debug("Failed to access storage endpoint: {}", fessConfig.getStorageEndpoint(), e);
            }
        }

        list.addAll(fileList);
        return list;
    }

    /**
     * Extracts the file name from a full object path.
     *
     * @param objectName the full object path
     * @return the file name portion of the path