if (commitId.isBlank() || commitId.toLowerCase(Locale.ROOT).contains("unknown")) {
            // we can't figure out the commit ID (probably this is a source distribution build), let's skip adding source links
            return;
        }

        extension.getSourceRoots().getFiles()
            .forEach(
                file -> {

import org.opensearch.index.query.QueryShardContext;

/**
 * Default implementation of QueryBuilder that wraps other QueryBuilder instances
 * and provides additional functionality for adding inner queries dynamically.
 * Supports both BoolQueryBuilder and DisMaxQueryBuilder as underlying implementations.
 */
public class DefaultQueryBuilder implements QueryBuilder {

            logger.debug("Loaded QueryCommand: {}", name);
        }
        queryCommandMap.put(name, queryCommand);
    }

    /**
     * Adds a filter to the processing pipeline.
     * After adding a filter, the filter chain is recreated to include the new filter.
     *
     * @param filter the filter to add to the processing pipeline
     */
    public void addFilter(final Filter filter) {

import java.net.InetAddress;

/**
 * Utility class for handling IP addresses, particularly IPv6 addresses in URLs.
 * This class provides methods to properly format IPv6 addresses for use in URLs
 * by adding brackets where necessary.
 */
public final class IpAddressUtil {

    /**
     * Private constructor to prevent instantiation of utility class.
     */
    private IpAddressUtil() {

        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");
        try {

 * This class wraps search results with pagination information, facet responses, and query statistics.
 * It implements the List interface to provide standard list operations while adding search-specific
 * functionality such as page navigation, record counts, and query execution times.
 */
public class QueryResponseList implements List<Map<String, Object>> {

 * synonym rules. The file format supports both explicit mappings (e.g., `a => b`)
 * and equivalent synonyms (e.g., `a, b, c`).
 *
 * The class provides methods for retrieving, adding, updating, and
 * deleting synonym items, as well as reloading the dictionary
 * from its source file.
 */
public class SynonymFile extends DictionaryFile<SynonymItem> {
    private static final String SYNONYM = "synonym";

        final int threadCount = 10;
        final Thread[] threads = new Thread[threadCount];
        final Exception[] exceptions = new Exception[threadCount];

        // Threads alternate between adding and checking isEmpty
        for (int i = 0; i < threadCount; i++) {
            final int threadIndex = i;
            threads[i] = new Thread(() -> {
                try {

                processCalled = true;
                processOrigin = origin;
                processRequest = request;
                processResponse = response;

                // Simulate adding headers for testing
                if (response instanceof HttpServletResponse) {
                    HttpServletResponse httpResponse = (HttpServletResponse) response;

        }

        final ChatSession session = chatSessionManager.getOrCreateSession(sessionId, userId);
        // Extract history snapshot before adding current user message to avoid duplication
        final List<LlmMessage> history = extractHistory(session);
        // Add user message immediately for session integrity under concurrent access