*/
    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() {

        if (prerequisites != null) {
            properties.put("prerequisites.maven", prerequisites.getMaven());
        }

        List<License> licenses = model.getLicenses();
        properties.put("license.count", licenses.size());
        for (int i = 0; i < licenses.size(); i++) {
            License license = licenses.get(i);