*/
    @Nonnull
    public static XmlNode read(InputStream input, @Nullable InputLocationBuilder locationBuilder)
            throws XMLStreamException {
        return getService().doRead(input, locationBuilder);
    }

    /**
     * Reads an XML node from a reader.
     */
    @Nonnull
    public static XmlNode read(Reader reader) throws XMLStreamException {

        }
        try (final ResponseData responseData = s3Client.doHead("s3://fess/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = s3Client.doHead("s3://fess/dir1/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = s3Client.doHead("s3://fess/dir1/dir2/")) {
            assertNull(responseData);
        }

        }

        try (final ResponseData responseData = smbClient.doHead(baseUrl)) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = smbClient.doHead(baseUrl + "dir1/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = smbClient.doHead(baseUrl + "dir1/dir2/")) {
            assertNull(responseData);
        }

        }
        try (final ResponseData responseData = storageClient.doHead("storage://fess/dir1/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = storageClient.doHead("storage://fess/dir1/dir2/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = storageClient.doHead("storage://fess/dir3/")) {
            assertNull(responseData);
        }

        }
        try (final ResponseData responseData = gcsClient.doHead("gcs://fess/dir1/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = gcsClient.doHead("gcs://fess/dir1/dir2/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = gcsClient.doHead("gcs://fess/dir3/")) {
            assertNull(responseData);
        }

        }

        try (final ResponseData responseData = smbClient.doHead(baseUrl)) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = smbClient.doHead(baseUrl + "dir1/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = smbClient.doHead(baseUrl + "dir1/dir2/")) {
            assertNull(responseData);
        }

     */
    @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.");
        };
    }

    /**

    }

    @Test
    void testReadParentAndChildWithRegularVersionSetParentFile() throws Exception {
        List<File> toRead = new ArrayList<>(2);
        File parentPom = getProject("MNG-6723");
        toRead.add(parentPom);
        toRead.add(new File(parentPom.getParentFile(), "child/pom.xml"));
        MavenSession mavenSession = createMavenSession(null);

        String path = file.getAbsolutePath();
        if (!path.startsWith("/")) {
            path = "/" + path.replace('\\', '/');
        }
        final ResponseData responseData = fsClient.doHead("file:" + path);
        assertNotNull(responseData.getLastModified());
        assertTrue(responseData.getLastModified().getTime() < new Date().getTime());
        assertNull(responseData.getResponseBody());
    }

            return responseData;
        }

        /*
         * (non-Javadoc)
         *
         * @see org.codelibs.fess.crawler.client.CrawlerClient#doHead(java.lang.String)
         */
        public ResponseData doHead(final String url) {
            final long now = SystemUtil.currentTimeMillis();
            if (now - previousTime < interval) {
                throw new IllegalStateException();