let request = URLRequest(url: URL(string: "https://www.google.com")!, cachePolicy: .reloadIgnoringLocalCacheData)    let task = URLSession.shared.dataTask(with: request) { data, response, error in        if let error = error {            completionHandler(false, error.localizedDescription)            return        }        if let httpResponse = response as? HTTPURLResponse {            if (300...302).contains(httpResponse.statusCode) {                completionHandler(true, httpResponse.allHeaderFields["Location"] as! String)                return            }        }        completionHandler(false, "Redirect request failed")    }    task.resume()}