assertEquals(1, urlSet.size());
                String childUrl = urlSet.iterator().next().getUrl();
                assertTrue("Child URL should be properly formed", childUrl.contains("dir1/test3.txt"));
                assertTrue("Child URL should contain 'child' not 'chile'", childUrl.matches(".*dir1/test3\\.txt"));
            }
        } finally {
            if (server != null) {
                server.stop();

        this.data = data;
    }

    /**
     * Add a child URL.
     * @param url the request data to add to the child URL set
     */
    public void addUrl(final RequestData url) {
        childUrlSet.add(url);
    }

    /**
     * Add child URLs.
     * @param c the collection of request data to add to the child URL set
     */
    public void addAllUrl(final Collection<RequestData> c) {

        RequestData child = new RequestData();
        child.setMethod(Method.GET);
        child.setUrl("https://example.com/page1");

        data.addChildUrl(child);
        data.addChildUrl(child);

        assertEquals(1, data.getChildUrlSet().size());
    }

    public void test_getRequestData() {
        // Test getRequestData method
        ResponseData data = new ResponseData();

                final StringBuilder headingText = new StringBuilder();
                Node child = heading.getFirstChild();
                while (child != null) {
                    if (child instanceof Text) {
                        headingText.append(((Text) child).getLiteral());
                    }
                    child = child.getNext();
                }
                if (headingText.length() > 0) {

/**
 * {@link ChildUrlsException} is thrown when child URLs are found during crawling.
 * It extends {@link CrawlerSystemException} and holds a set of {@link RequestData}
 * representing the child URLs that caused the exception.
 *
 */
public class ChildUrlsException extends CrawlerSystemException {

    private static final long serialVersionUID = 1L;

    /**
     * The list of child URLs.
     */

    }

    /**
     * Gets the map of child URL extraction rules.
     *
     * @return the child URL rule map
     */
    public Map<String, String> getChildUrlRuleMap() {
        return childUrlRuleMap;
    }

    /**
     * Sets the map of child URL extraction rules.
     *
     * @param childUrlRuleMap the child URL rule map to set
     */

        }
        return true;
    }

    /**
     * Stores child URLs found in the response data.
     *
     * @param crawlerContext the crawler context
     * @param childUrlList the set of child URLs
     * @param url the parent URL
     * @param depth the depth of the child URLs
     * @param encoding the encoding of the child URLs
     */

     */
    boolean hasDefaultCredentials();

    /**
     * Create a child context with default credentials
     *
     * @return a child context using the configured default credentials
     */
    CIFSContext withDefaultCredentials();

    /**
     * Create a child context with anonymous credentials
     *
     * @return a child context using anonymous credentials
     */

        return metaDataMap;
    }

    /**
     * Adds a child URL discovered from this response.
     *
     * @param url the child URL to add
     */
    public void addChildUrl(final RequestData url) {
        childUrlSet.add(url);
    }

    /**
     * Removes a child URL from this response.
     *
     * @param url the child URL to remove
     */

        final String url = (String) objs[2];
        final Throwable e = (Throwable) objs[3];
        if (logger.isDebugEnabled()) {
            logger.debug("Child URL: {} from {}", url, urlQueue.getUrl(), e);
        }
    }

    /**
     * Processes child URLs processing exception log events.
     *
     * @param objs the log objects (should contain UrlQueue and Set of RequestData)
     */