public function aroundFieldAccess(FieldAccess $fieldAccess)
    {
        $isRead = $fieldAccess->getAccessType() == FieldAccess::READ;
        // proceed all internal advices
        $fieldAccess->proceed();

        if ($isRead) {
            // if you want to change original property value, then return it by reference
            $value = /* & */$fieldAccess->getValue();
        } else {
            // if you want to change value to set, then return it by reference
            $value = /* & */$fieldAccess->getValueToSet();
        }

        echo "Calling After Interceptor for ", $fieldAccess, ", value: ", json_encode($value), PHP_EOL;
    }