public function getScope($objectName)
    {
        if (!isset($this->objects[$objectName])) {
            $hint = ($objectName[0] === '\\') ? ' Hint: You specified an object name with a leading backslash!' : '';
            throw new Exception\UnknownObjectException('Object "' . $objectName . '" is not registered.' . $hint, 1265367590);
        }
        return $this->objects[$objectName]['s'];
    }