I am getting an error `Method not found: 'Void RestSharp.RestRequest.set_ResponseWriter(System.Func'2<System.IO.Stream,System.IO.Stream>)'.` with code: ```c# var smsClient = new ClientOAuth("token"); var smsApi = new SMSFactory(smsClient, ProxyAddress.SmsApiPl); var results = await smsApi.ActionSend() .SetText("TEST MESSAGE") .SetTo("phone_number") .SetSender("sender") .ExecuteAsync(); var status = results.List; ```