/**
     * Extracts the value from a line using the given pattern.
     * @param pattern the pattern to match against
     * @param line the line to extract the value from
     * @return the extracted value, or null if no match
     */
    protected String getValue(final Pattern pattern, final String line) {
        final Matcher m = pattern.matcher(line);
        if (m.matches() && m.groupCount() > 0) {
            return m.group(1);

 *   <li>{@link #refresh()}: Refreshes the suggestion indices.</li>
 *   <li>{@link #shutdown()}: Shuts down the thread pool.</li>
 *   <li>{@link #createIndexIfNothing()}: Creates a new index if no index exists.</li>
 *   <li>{@link #createNextIndex()}: Creates a new index and replaces the current update alias with the new index.</li>
 *   <li>{@link #switchIndex()}: Switches the search alias to the current update index.</li>

     */
    @Override
    public ResultData transform(final ResponseData responseData) {
        if (responseData == null || !responseData.hasResponseBody()) {
            throw new CrawlingAccessException("No response body.");
        }

        final ExtractorFactory extractorFactory = crawlerContainer.getComponent("extractorFactory");
        if (extractorFactory == null) {

        }
    }

    /**
     * Retrieves the current {@link CrawlerContext} associated with the current thread.
     *
     * @return the {@link CrawlerContext} for the current thread, or {@code null} if no context is set.
     */
    public static CrawlerContext getCrawlerContext() {
        return ROBOT_CONTEXT_THREAD_LOCAL.get();
    }

    /**
     * Sets the current {@link CrawlerContext} for the current thread.

            }
        }
    }

    /**
     * Retrieves a client that matches the given URL key.
     * @param urlKey The URL key to match.
     * @return The matching CrawlerClient instance, or null if no match is found.
     */
    public CrawlerClient getClient(final String urlKey) {
        if (StringUtil.isBlank(urlKey)) {
            return null;
        }

    <magic priority="50">
      <match value="function [" type="string" offset="0"/>
    </magic>
    <!-- Single-output or no output function definition -->
    <magic priority="40">
      <match value="function [a-zA-Z][A-Za-z0-9_]{0,62}\\s*=" type="regex" offset="0"/>
    </magic>
    <!-- No-output function definition in short form -->
    <!-- Be careful to avoid a false-match on JS functions! -->
    <magic priority="40">

 *   <li>Deleting all URL queues.</li>
 *   <li>Offering a list of URLs to the queue, ensuring duplicates are not added.</li>
 *   <li>Polling (retrieving and removing) a URL from the queue.</li>
 *   <li>Saving the session (currently a no-op).</li>
 *   <li>Checking if a URL has already been visited.</li>
 *   <li>Generating URL queues from a previous session's access results.</li>
 * </ul>
 *
 * <p>

        assertEquals("TEST_ja", readings.get(1));
        assertEquals("TEST_fr", readings.get(2));
    }

    @Test
    public void testConvertWithNoLanguages() throws IOException {
        // Test convert with no languages specified
        converter.init();
        String text = "test";
        String field = "content";

        List<String> readings = converter.convert(text, field);

        assertNotNull(readings);

     * If the response body is stored as bytes, returns a ByteArrayInputStream.
     * If the response body is stored as a file, returns a FileInputStream.
     *
     * @return the response body as an InputStream, or null if no response body is available
     * @throws IORuntimeException if an I/O error occurs while reading the response body file
     */
    public InputStream getResponseBody() {
        if (responseBodyBytes != null) {

        // Clear listener
        factory.setOnDestroyListener(null);
        assertNull(factory.getOnDestroyListener());
        factory.destroyObject(pooledObject);
        assertEquals(2, events.size()); // No new events
    }