lib/AdobeMarketingCloud/OptionParser.php
protected function isParam($string)
    {
        if ($this->_config & self::CONF_DASHDASH && $string == '--') {
            return false;
        }

        return !$this->isFlag($string);
    }
protected function isParam($string)
    {
        if ($this->_config & self::CONF_DASHDASH && $string == '--') {
            return false;
        }

        return !$this->isFlag($string);
    }
Returns true if the given string is considered a parameter.

@param   string
@return  bool