//using CryptoExchange.Net.Converters.MessageParsing.DynamicConverters;
//using CryptoExchange.Net.Converters.SystemTextJson.MessageHandlers;
//using CryptoExchange.Net.Objects;
//using CryptoExchange.Net.Objects.Errors;
//using System;
//using System.Collections.Generic;
//using System.IO;
//using System.Linq;
//using System.Net.Http.Headers;
//using System.Text;
//using System.Text.Json;
//using System.Threading;
//using System.Threading.Tasks;

//namespace CryptoExchange.Net.UnitTests.TestImplementations
//{
//    internal class TestRestMessageHandler : JsonRestMessageHandler
//    {
//        private ErrorMapping _errorMapping = new ErrorMapping([]);
//        public override JsonSerializerOptions Options => new JsonSerializerOptions();

//        public override async ValueTask<Error> ParseErrorResponse(int httpStatusCode, HttpResponseHeaders responseHeaders, Stream responseStream)
//        {
//            var result = await GetJsonDocument(responseStream).ConfigureAwait(false);
//            if (result.Item1 != null)
//                return result.Item1;

//            var errorData = result.Item2.Deserialize<TestError>();
//            return new ServerError(errorData.ErrorCode, _errorMapping.GetErrorInfo(errorData.ErrorCode.ToString(), errorData.ErrorMessage));
//        }
//    }
//}