private function addToOverrideFilestring($key, $value)
    {
        $r = (ImagerService::$transformKeyTranslate[$key] ?? $key).(\is_array($value) ? md5(implode('-', $value)) : $value);
        $this->configOverrideString .= '_'.str_replace('%', '', str_replace([' ', '.'], '-', $r));
    }