src/Volume.php
private function _cfPrefix(): string
    {
        if ($this->cfPrefix && ($cfPrefix = rtrim(Craft::parseEnv($this->cfPrefix), '/')) !== '') {
            return $cfPrefix . '/';
        }
        return '';
    }
private function _cfPrefix(): string
    {
        if ($this->cfPrefix && ($cfPrefix = rtrim(Craft::parseEnv($this->cfPrefix), '/')) !== '') {
            return $cfPrefix . '/';
        }
        return '';
    }
private function _cfPrefix ( ) : string { if ( $ this -> cfPrefix && ( $ cfPrefix = rtrim ( Craft :: parseEnv ( $ this -> cfPrefix ) , '/' ) ) !== '' ) { return $ cfPrefix . '/' ; } return '' ; }
Returns the parsed CloudFront distribution prefix

@return string|null
Returns the parsed CloudFront distribution prefix