private function addPropertiesPhpDoc(Event $abs)
    {
        // tag => visibility
        $tags = array(
            'property' => 'magic',
            'property-read' => 'magic-read',
            'property-write' => 'magic-write',
        );
        $inheritedFrom = null;
        if (!\array_intersect_key($abs['phpDoc'], $tags)) {
            // phpDoc doesn't contain any @property tags
            $found = false;
            $obj = $abs->getSubject();
            if (!\method_exists($obj, '__get')) {
                // don't have magic getter... don't bother searching ancestor phpDocs
                return;
            }
            // we've got __get method:  check if parent classes have @property tags
            $reflector = $abs['reflector'];
            while ($reflector = $reflector->getParentClass()) {
                $parsed = $this->phpDoc->getParsed($reflector);
                $tagIntersect = \array_intersect_key($parsed, $tags);
                if (!$tagIntersect) {
                    continue;
                }
                $found = true;
                $inheritedFrom = $reflector->getName();
                $abs['phpDoc'] = \array_merge(
                    $abs['phpDoc'],
                    $tagIntersect
                );
                break;
            }
            if (!$found) {
                return;
            }
        }
        $properties = $abs['properties'];
        foreach ($tags as $tag => $vis) {
            if (!isset($abs['phpDoc'][$tag])) {
                continue;
            }
            foreach ($abs['phpDoc'][$tag] as $phpDocProp) {
                $exists = isset($properties[ $phpDocProp['name'] ]);
                $properties[ $phpDocProp['name'] ] = \array_merge(
                    $exists
                        ? $properties[ $phpDocProp['name'] ]
                        : self::$basePropInfo,
                    array(
                        'desc' => $phpDocProp['desc'],
                        'type' => $phpDocProp['type'],
                        'inheritedFrom' => $inheritedFrom,
                        'visibility' => $exists
                            ? array($properties[ $phpDocProp['name'] ]['visibility'], $vis)
                            : $vis,
                    )
                );
                if (!$exists) {
                    $properties[ $phpDocProp['name'] ]['value'] = $this->abstracter->UNDEFINED;
                }
            }
            unset($abs['phpDoc'][$tag]);
        }
        $abs['properties'] = $properties;
        return;
    }