assertEquals(4, sitemaps.length);
        assertEquals("http://www.example.com/page1.html", sitemaps[0].getLoc());
        assertEquals("http://www.example.com/page2.html", sitemaps[1].getLoc());
        assertEquals("http://www.example.com/page3.html", sitemaps[2].getLoc());
        assertEquals("https://www.example.com/page4.html", sitemaps[3].getLoc());
    }

    public void test_parseXmlSitemapsIndex_missingLoc() {

        @Override
        public InputStream getInputStream() throws IOException {
            if (!connected) {
                connect();
            }
            try {
                final Blob blobObj = getBlob();
                if (blobObj == null) {
                    throw new IOException("Object not found: bucket=" + bucketName + ", object=" + objectName);
                }

     */
    public SitemapImage() {
        // Default constructor
    }

    /**
     * Gets the location URL of the image.
     * @return the image URL
     */
    public String getLoc() {
        return loc;
    }

    /**
     * Sets the location URL of the image.
     * @param loc the image URL to set
     */
    public void setLoc(final String loc) {
        this.loc = loc;
    }

            if (URL_ELEMENT.equals(elementName)) {
                if (sitemapUrl != null) {
                    // Only add sitemap URL if loc is not empty
                    final String loc = sitemapUrl.getLoc();
                    if (loc != null && !loc.trim().isEmpty()) {
                        sitemapSet.addSitemap(sitemapUrl);
                    } else {
                        if (logger.isDebugEnabled()) {

            final String path = paths[1];
            if (logger.isDebugEnabled()) {
                logger.debug("Parsed GCS path: bucket={}, objectPath={}", bucketName, path);
            }
            final Blob blob = getBlob(bucketName, path);
            if (blob == null) {
                final Set<RequestData> requestDataSet = new HashSet<>();

     */
    private List<SitemapAlternateLink> alternateLinks;

    /**
     * Returns the location URL of this sitemap entry.
     * @return the location URL
     */
    @Override
    public String getLoc() {
        return loc;
    }

    /**
     * Sets the location URL of this sitemap entry.
     * @param loc the location URL to set
     */
    public void setLoc(final String loc) {