public static String getCountString(int count) {
    if (count > 1) {
      return "@" + N + count;
    }
    if (count == -1) {
      return UNLIMITED;
    }
    if (count == -2) {
      return UNTIL_FAILURE;
    }
    if (count == -3) {
      return UNTIL_SUCCESS;
    }
    return ONCE;
  }
public static String getCountString(int count)