this.description = description;
        return this;
    }

    public boolean getAllowsArguments() {
        return argumentType != Void.TYPE;
    }

    public boolean getAllowsMultipleArguments() {
        return argumentType == List.class;
    }

    public CommandLineOption deprecated() {
        this.deprecated = true;
        return this;
    }

            }

            ParsedCommandLineOption parsedOption = commandLine.addOption(optionString.option, option);
            if (values.size() + parsedOption.getValues().size() > 1 && !option.getAllowsMultipleArguments()) {
                throw new CommandLineArgumentException(String.format("Multiple arguments were provided for command-line option '%s'.", optionString));
            }
            for (String value : values) {