code: public List<String> getValueList() {
          if (tokensList == null) {
              return null;
          }
          if (tokensList.isEmpty()) {
              return new ArrayList<>();
          } else {
              List<String> list = new ArrayList<>(tokensList.size());
              for (Token[] tokens : tokensList) {
                  list.add(TokenParser.toString(tokens));
              }
              return list;
          }
      }
docs: Returns a list of string values of this item.
  
  @return a list of string values