Oss.OssClient.ListBuckets C# (CSharp) Метод

        public async Task<IEnumerable<Bucket>> ListBuckets()
        {
            IEnumerable<Bucket> result = null;
            OssHttpRequestMessage httpRequestMessage = null;
            HttpResponseMessage response = null;
            try
            {
                 httpRequestMessage = new OssHttpRequestMessage(OssHttpRequestMessage.NONEEDBUKETNAME, null);

                httpRequestMessage.Method = HttpMethod.Get;
                httpRequestMessage.Headers.Date = DateTime.UtcNow;

                OssRequestSigner.Sign(httpRequestMessage, networkCredential);


                 response = await httpClient.SendAsync(httpRequestMessage);

                if (response.IsSuccessStatusCode == false)
                {
                    await ErrorResponseHandler.Handle(response);
                }

                var temp = DeserializerFactory.GetFactory().CreateListBucketResultDeserializer();
                result = await temp.Deserialize(response);

            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                if (httpRequestMessage != null)
                    httpRequestMessage.Dispose();

                if (response != null)
                    response.Dispose();
            }

            return result;

        }

 static async void list()
 {
     OssClient            temp = new OssClient("bm9crcnr0rtnuw8bnrfvq7w8", "RbtJoExTnA8vYLynUfDh7Ior+oM=");
     IEnumerable <Bucket> test = await temp.ListBuckets();
 }