     @available(iOS 15.0, *)
     private func loadBySessionAsync() {
         Task {
-            guard let req = await createRequest() else { return }
-            let (data, response) = try await URLSession.shared.data(for: req)
+            guard let request = await createRequest() else { return }
+            let (data, response) = try await URLSession.shared.data(for: request)
             let json = try JSONSerialization.jsonObject(with: data) as? [String: Any] ?? [:]
             print(json)
             print(response)

        _ tableView: UITableView,
        cellForRowAt indexPath: IndexPath
    ) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: CellIdentifier, for: indexPath)
        let requestInfo = requestInfos[indexPath.row]
        cell.textLabel?.text = requestInfo.rawValue
        return cell

        }
    }

    @available(iOS 13.0, *)
    private func loadByAlamofireAsync() {
        Task {
            let dataRequest = AF.request(
                urlString,
                method: .get,
                parameters: params,
                encoding: URLEncoding.default
            )
            let dataTask = dataRequest.serializingData()
            guard let data = await dataTask.response.value else { return }
            let string = String(data: data, encoding: .utf8) ?? "get string failed."
            print(string)
        }
    }

}

