code: private void ensureFoldersExist() {
  
          for (String path : Arrays.asList(IMPORT_FOLDER_PATH, EXPORT_FOLDER_PATH)) {
              String folderPath = OpenCms.getSystemInfo().getAbsoluteRfsPathRelativeToWebInf(path);
              File folder = new File(folderPath);
              if (!folder.exists()) {
                  folder.mkdirs();
              }
          }
      }
docs: Makes sure that the folders used to store the import/export data exist.<p>