Phan\Issue::getSeverityName PHP 메소드

    public function getSeverityName() : string
    {
        switch ($this->getSeverity()) {
            case self::SEVERITY_LOW:
                return 'low';
            case self::SEVERITY_NORMAL:
                return 'normal';
            case self::SEVERITY_CRITICAL:
                return 'critical';
        }
    }