TestScriptEngine engine1 = new TestScriptEngine("v1");
        TestScriptEngine engine2 = new TestScriptEngine("v2");
        TestScriptEngine engine3 = new TestScriptEngine("v3");

        scriptEngineFactory.add("engine", engine1);
        scriptEngineFactory.add("engine", engine2);
        scriptEngineFactory.add("engine", engine3);

        // Should get the last one

        // Complex real-world-like data - quotes are preserved
        value = "\"John Doe\",\"Software Engineer\",\"******@****.***\",\"Loves \"\"coding\"\" and coffee\"";
        result = KuromojiCSVUtil.parse(value);
        assertEquals(4, result.length);
        assertEquals("John Doe", result[0]);
        assertEquals("Software Engineer", result[1]);
        assertEquals("******@****.***", result[2]);

        final GroovyEngine engine = new GroovyEngine();
        engine.scriptCacheSize = 5;
        engine.init();

        final Map<String, Object> params = new HashMap<>();
        for (int i = 0; i < 10; i++) {
            assertEquals(i, engine.evaluate("return " + i, params));
        }
        // eviction後も再コンパイルで正しく動作
        assertEquals(0, engine.evaluate("return 0", params));
        engine.close();

    // Search Engine Type Constants
    // ============================================================

    /** Cloud-based search engine type. */
    public static final String FESEN_TYPE_CLOUD = "cloud";

    /** AWS-based search engine type. */
    public static final String FESEN_TYPE_AWS = "aws";

    /** Search engine username configuration key. */

        return childUrlSet.isEmpty() ? null : childUrlSet;
    }

    /**
     * Retrieves child URLs for a given document ID from the search engine index.
     * This method queries the search engine for child documents and extracts their URLs.
     *
     * @param searchEngineClient the search engine client to query
     * @param id the parent document ID to find children for

    public void close() {
        scriptCache.invalidateAll();
        scriptCache.cleanUp();
    }

    /**
     * Returns the name identifier for this script engine.
     *
     * @return "groovy" - the identifier used to register and retrieve this engine
     */
    @Override
    protected String getName() {
        return "groovy";
    }

    /**

    //                                                                      ==============

    /**
     * Retrieves system statistics including JVM, OS, process, engine, and filesystem information.
     *
     * @return JSON response containing system statistics
     */
    // GET /api/admin/stats
    @Execute
    public JsonResponse<ApiResult> index() {

 * - Scroll search for large result sets
 * - Document retrieval by ID
 * - Bulk document updates
 * - Search parameter serialization/deserialization for cookies
 * - Integration with search engines and logging systems
 */
public class SearchHelper {

    // ===================================================================================

     */
    public static DataService<OpenSearchAccessResult> getDataService() {
        return getComponent(DATA_SERVICE);
    }

    /**
     * Gets the search engine client component.
     * @return The search engine client.
     */
    public static SearchEngineClient getSearchEngineClient() {
        return getComponent(SEARCH_ENGINE_CLIENT);
    }

    /**

 * This class coordinates the execution of data store crawling processes,
 * managing multiple concurrent crawling threads and handling the indexing
 * of crawled documents into the search engine.
 *
 * <p>The DataIndexHelper supports:</p>
 * <ul>
 *   <li>Concurrent crawling of multiple data configurations</li>
 *   <li>Thread pool management for crawler execution</li>