* other words, returns everything that needs to be translated.
* @param templateRoot
* @param i18nPrefix
*/
private static Map<String, String> getTemplateI18nValues(Element templateRoot, final String i18nPrefix) {
final TemplateVisitor visitor = new TemplateVisitor(i18nPrefix);
DomVisit.visit(templateRoot, visitor);
return visitor.getI18nValues();
}