split(getQueryAdditionalResponseFields(), ",")
                .of(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).forEach(list::add));
        return list.toArray(new String[list.size()]);
    }

    String getQueryAdditionalScrollResponseFields();

    default String[] getQueryAdditionalScrollResponseFields(final String... fields) {

        final List<LabelType> list = getLabelTypeList();
        final List<String> labelValueList = new ArrayList<>(list.size());
        for (final LabelType labelType : list) {
            labelValueList.add(labelType.getValue());
        }
        return labelValueList.toArray(new String[labelValueList.size()]);
    }

    public String getId() {
        return asDocMeta().id();
    }

        // Initial empty map
        Map<String, Object> map1 = new HashMap<>();
        event.setSourceMap(map1);
        assertEquals(0, event.toSource().size());

        // Add elements to the map
        map1.put("key1", "value1");
        assertEquals(1, event.toSource().size());

        // Replace the map
        Map<String, Object> map2 = new HashMap<>();
        map2.put("key2", "value2");

Critical system settings in `system.properties`:

```properties
# GSA API compatibility
web.api.gsa=true

# JSON API
web.api.json=true

# Search page size
page.search.default.size=20

# Crawler settings
crawler.document.max.size=10000000
crawler.web.protocols=http,https

# Authentication
security.remember_me.enabled=true
```

After editing `system.properties`, restart Fess.

---

                    }
                }
            }
            if (langSet.size() > 1 && langSet.contains(Constants.ALL_LANGUAGES)) {
                return new String[] { Constants.ALL_LANGUAGES };
            }
            langSet.remove(Constants.ALL_LANGUAGES);
            return langSet.toArray(new String[langSet.size()]);
        }
        if (ComponentUtil.getFessConfig().isBrowserLocaleForSearchUsed()) {

        final ChatSource source = new ChatSource();
        source.setIndex(1);
        source.setTitle("Test Document");

        message.addSource(source);

        assertEquals(1, message.getSources().size());
        assertEquals("Test Document", message.getSources().get(0).getTitle());
    }

    @Test
    public void test_addSourceWithNullSources() {
        final ChatMessage message = new ChatMessage();

        transformer.metaContentMapping.put("author", "dc:creator");
        transformer.metaContentMapping.put("title", "dc:title");

        assertEquals(2, transformer.metaContentMapping.size());
        assertEquals("dc:creator", transformer.metaContentMapping.get("author"));
        assertEquals("dc:title", transformer.metaContentMapping.get("title"));
    }

    @Test

            int start = params.getStartPosition();
            int size = params.getPageSize();
            SearchResultBuilder builder = SearchResult.create();
            for (int i = start; i < start + size && i < allRecordCount; i++) {
                Map<String, Object> doc = new HashMap<>();
                doc.put(ID_FIELD, Integer.toString(i));

        assertEquals(1, helper.ruleList.size());
        IntervalRule rule = helper.ruleList.get(0);
        assertEquals(1000, rule.getDelay());
    }

    @Test
    public void test_addIntervalRule_emptyDays() {
        IntervalControlHelper helper = new IntervalControlHelper();
        helper.addIntervalRule("10:00", "18:00", "", 1000);

        assertEquals(1, helper.ruleList.size());

        } else {
            keyStr = CaseFormat.LOWER_UNDERSCORE.to(CaseFormat.LOWER_CAMEL, keyStr);
        }
        return keyStr;
    }

    @Override
    public int size() {
        return parent.size();
    }

    @Override
    public boolean isEmpty() {
        return parent.isEmpty();
    }

    @Override
    public boolean containsKey(final Object key) {