final Set<String> urlSet = new HashSet<>();
        final List<UrlQueue<?>> childList = childUrlList.stream()
                .filter(d -> StringUtil.isNotBlank(d.getUrl()) && urlSet.add(d.getUrl()) && crawlerContext.urlFilter.match(d.getUrl()))
                .map(d -> {
                    final UrlQueue<?> uq = crawlerContainer.getComponent("urlQueue");
                    uq.setCreateTime(SystemUtil.currentTimeMillis());

            assertEquals("application/octet-stream", responseData.getMimeType());
            assertNull(responseData.getResponseBody());
            assertNull(responseData.getMetaDataMap().get("label"));
        }
        try (final ResponseData responseData = storageClient.doHead("storage://fess/dir3/file4.txt")) {
            assertEquals("storage://fess/dir3/file4.txt", responseData.getUrl());

            assertEquals("file2", new String(InputStreamUtil.getBytes(responseData.getResponseBody())));
            assertEquals(5, responseData.getContentLength());
        }
        try (final ResponseData responseData = smbClient.doGet(baseUrl + "dir1/dir2/file3.txt")) {
            assertEquals(baseUrl + "dir1/dir2/file3.txt", responseData.getUrl());

    /**
     * Gets the settings URL of this model source.
     *
     * @return The underlying settings URL, never {@code null}.
     * @deprecated instead use {@link #getUrl()}
     */
    @Deprecated
    public URL getSettingsUrl() {
        return getUrl();
    }

        // Test URL getter/setter
        ResponseData data = new ResponseData();
        String url = "https://example.com/path";

        data.setUrl(url);
        assertEquals(url, data.getUrl());

        data.setUrl(null);
        assertNull(data.getUrl());
    }

    public void test_httpStatusCodeGetterSetter() {
        // Test HTTP status code getter/setter
        ResponseData data = new ResponseData();

                && isValidCanonicalUrl(responseData.getUrl(), canonicalUrl)) {
            final Set<RequestData> childUrlSet = new HashSet<>();
            childUrlSet.add(RequestDataBuilder.newRequestData().get().url(canonicalUrl).build());
            logger.info("Canonical URL redirect: from={}, to={}", responseData.getUrl(), canonicalUrl);

                    }
                    break;
                default:
                    logger.error("Unknown thumbnail result: {} -> {}", thumbnailId, responseData.getUrl());
                    break;
                }
            } catch (final Throwable t) {
                logger.warn("Failed to create thumbnail: {} -> {} ({}:{})", thumbnailId, responseData.getUrl(),

     */
    @Override
    public ResponseData execute(final RequestData request) {
        return switch (request.getMethod()) {
        case GET -> doGet(request.getUrl());
        case HEAD -> doHead(request.getUrl());
        case POST -> doPost(request.getUrl());
        default -> throw new CrawlerSystemException(request.getMethod() + " method is not supported.");
        };
    }

    /**

            @Override
            public InputStream getResponseBody() {
                return new ByteArrayInputStream("Test response body".getBytes());
            }

            @Override
            public String getUrl() {
                return "http://example.com/test";
            }
        };

        File tempFile = ResponseDataUtil.createResponseBodyFile(responseData);

        assertNotNull(tempFile);

                    if (logger.isDebugEnabled()) {
                        logger.debug("Skipping crawl request for url='{}' at depth={} (maxDepth={}, alreadyProcessed={})",
                                crawlRequest.getUrl(), crawlRequest.getDepth(), maxDepth, processedUrls.contains(crawlRequest.getUrl()));
                    }
                    continue;