public function addConstants(Event $abs)
    {
        if (!$this->abstracter->getCfg('collectConstants')) {
            return;
        }
        $reflector = $abs['reflector'];
        $constants = $reflector->getConstants();
        while ($reflector = $reflector->getParentClass()) {
            $constants = \array_merge($reflector->getConstants(), $constants);
        }
        if ($this->abstracter->getCfg('objectSort') == 'name') {
            \ksort($constants);
        }
        $abs['constants'] = $constants;
    }