public function addOption(
        $name,
        $valueRequired = Parameter::OPTION_VALUE_OPTIONAL,
        $defaultValue = null,
        $flagOption = false
    ) {
        $this->options[$name] = new \Parable\Console\Parameter\Option(
            $name,
            $valueRequired,
            $defaultValue,
            $flagOption
        );
        return $this;
    }