docs: public static void touch(File file) {
          FileOutputStream fos = null;
          try {
              if (!file.exists()) {
                  fos = new FileOutputStream(file);
              }
              if (!file.setLastModified(System.currentTimeMillis())) {
                  throw new HazelcastException("Could not touch file " + file.getAbsolutePath());
              }
          } catch (IOException e) {
              throw rethrow(e);
          } finally {
              closeResource(fos);
          }
      }