public function getBodyAttributes()
    {
        $attributes = [];
        
        $api = GoogleAPI::singleton();
        
        if ($key = $api->getAPIKey()) {
            $attributes['data-google-api-key'] = $key;
        }
        
        if ($lang = $api->getAPILanguage()) {
            $attributes['data-google-api-lang'] = $lang;
        }
        
        if ($api->isAnalyticsEnabled()) {
            $attributes['data-google-tracking-id'] = $api->getAnalyticsTrackingID();
        }
        
        return $attributes;
    }