public DefaultCommandLine addRawValue(Option option, String value) {
   if (!acceptMoreValues(option) && !option.isFlag()) {
     throw new CLIException(
         "The option " + option.getName() + " does not accept value or has " + "already been set");
   }
   if (!option.getChoices().isEmpty() && !option.getChoices().contains(value)) {
     throw new InvalidValueException(option, value);
   }
   List<String> list = optionValues.get(option);
   if (list == null) {
     list = new ArrayList<>();
     optionValues.put(option, list);
   }
   list.add(value);
   return this;
 }