protected function tryLoad($file)
    {
        try {
            return XmlUtils::loadFile($file, __DIR__ . static::SCHEMA_LOCATION);
        } catch (\InvalidArgumentException $e) {
            throw new InvalidWebspaceException(
                sprintf(
                    'Could not parse webspace XML file "%s"',
                    $file
                ),
                null,
                $e
            );
        }
    }