public async Task <RestResult <T200> > GetAsync_1 <T200, T400, T401, T404, T403>(string resource, Dictionary <string, string> additioalHeaders = null) { using (var client = CreateHttpClient(DefaultHeaders(additioalHeaders))) { using (var response = await client.GetAsync(GetRequestUrl(BaseUrl, resource)).ConfigureAwait(false)) { using (var stream = await response.Content.ReadAsStreamAsync()) using (var reader = new StreamReader(stream)) using (var json = new JsonTextReader(reader)) { if (response.StatusCode.Equals(HttpStatusCode.OK)) { return(RestResult <T200> .Ok(_jsonService.DeserializeStream <T200>(json))); } else if (response.StatusCode.Equals(HttpStatusCode.BadRequest)) { // return RestResult<T400>.Fail(HttpStatusCode.BadRequest, _jsonService.DeserializeStream<T400>(json)); } else if (response.StatusCode.Equals(HttpStatusCode.NotFound)) { // return RestResult<T404>.Fail(HttpStatusCode.NotFound, _jsonService.DeserializeStream<T404>(json)); } } return(RestResult <T200> .Fail(response.StatusCode)); } } }