Neos\Flow\Aop\Advice\AdviceChain::proceed PHP Method

    public function proceed(JoinPointInterface &$joinPoint)
    {
        $this->adviceIndex++;
        if ($this->adviceIndex < count($this->advices)) {
            $result = $this->advices[$this->adviceIndex]->invoke($joinPoint);
        } else {
            $result = $joinPoint->getProxy()->Flow_Aop_Proxy_invokeJoinpoint($joinPoint);
        }
        return $result;
    }