docs: protected void unlockContainerpage() {
  
          if (getData().getDetailContainerPage() != null) {
  
              CmsCoreProvider.get().unlock(getData().getDetailContainerPage());
          } else if (unlockResource(CmsCoreProvider.get().getStructureId())) {
              CmsDebugLog.getInstance().printLine(Messages.get().key(Messages.GUI_NOTIFICATION_PAGE_UNLOCKED_0));
          }
      }