public function process_final_element(base_final_element $final)
 {
     // Send full tag to xml_writer and annotations (only if has value)
     if ($final->is_set()) {
         $attrarr = array();
         foreach ($final->get_attributes() as $attribute) {
             $attrarr[$attribute->get_name()] = $attribute->get_value();
         }
         $this->writer->full_tag($final->get_name(), $final->get_value(), $attrarr);
         if ($this->progress) {
             $this->progress->progress();
         }
         // Annotate current value if configured to do so
         $final->annotate($this->get_var(backup::VAR_BACKUPID));
     }
 }