/**
     * Gets the license URL of the image.
     * @return the license URL
     */
    public String getLicense() {
        return license;
    }

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

    @Override
    public String toString() {

                    buf = null;
                }
            } else if (IMAGE_LICENSE_ELEMENT.equals(elementName)) {
                if (buf != null && currentImage != null) {
                    currentImage.setLicense(buf.toString().trim());
                    buf = null;
                }
            } else if (VIDEO_VIDEO_ELEMENT.equals(elementName)) {
                if (currentVideo != null && sitemapUrl != null) {

    @Override
    protected void mergeModel_Licenses(
            Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        if (target.getLicenses().isEmpty()) {
            target.setLicenses(new ArrayList<>(source.getLicenses()));
        }
    }

    @Override
    protected void mergeModel_Developers(
            Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {

     */
    @Deprecated(since = "4.0.0")
    public void addTestResource(Resource testResource) {
        addResource(ProjectScope.TEST, testResource);
    }

    public void setLicenses(List<License> licenses) {
        getModel().setLicenses(licenses);
    }

    public List<License> getLicenses() {
        return getModel().getLicenses();
    }

    public void addLicense(License license) {

        assertEquals("Sample image title", image.getTitle());
        assertEquals("Tokyo, Japan", image.getGeoLocation());
        assertEquals("http://www.example.com/license.txt", image.getLicense());
    }

    public void test_parseXmlSitemapsWithVideos() {
        final String xml =

        }
    }

    protected void mergeModel_Licenses(
            Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        target.setLicenses(merge(target.getLicenses(), source.getLicenses(), sourceDominant, new LicenseKeyComputer()));
    }

    protected void mergeModel_MailingLists(