docs: public List<String> splitByIndex(String srcStr, Integer... splitPoint) {
          final List<StrPosition> strPosList = splitByIndexWithDetail(srcStr, splitPoint);
          final List<String> resultList = new ArrayList<String>();
          for (StrPosition strPos : strPosList) {
              resultList.add(strPos.str);
          }
          return resultList;
  
      }