docs: public static List<Long> parseStringToLongList(String source, String token) {
  
          if (StringUtils.isBlank(source) || StringUtils.isEmpty(token)) {
              return null;
          }
  
          List<Long> result = new ArrayList<Long>();
          String[] units = source.split(token);
          for (String unit : units) {
              result.add(Long.valueOf(unit));
          }
  
          return result;
      }