function form_do_shortcode()
 {
     global $wpcf7_shortcode_manager;
     $form = $this->form;
     if (WPCF7_AUTOP) {
         $form = $wpcf7_shortcode_manager->normalize_shortcode($form);
         $form = wpcf7_autop($form);
     }
     $form = $wpcf7_shortcode_manager->do_shortcode($form);
     $this->scanned_form_tags = $wpcf7_shortcode_manager->scanned_tags;
     return $form;
 }

 public function form_do_shortcode()
 {
     $manager = WPCF7_ShortcodeManager::get_instance();
     $form = $this->prop('form');
     if (WPCF7_AUTOP) {
         $form = $manager->normalize_shortcode($form);
         $form = wpcf7_autop($form);
     }
     $form = $manager->do_shortcode($form);
     $this->scanned_form_tags = $manager->get_scanned_tags();
     return $form;
 }

 public function replace_all_form_tags()
 {
     $manager = WPCF7_FormTagsManager::get_instance();
     $form = $this->prop('form');
     if (WPCF7_AUTOP) {
         $form = $manager->normalize($form);
         $form = wpcf7_autop($form);
     }
     $form = $manager->replace_all($form);
     $this->scanned_form_tags = $manager->get_scanned_tags();
     return $form;
 }