private static void KeystoneUpdateGroup(IamClient iamClient)
        {
            var keystoneUpdateGroupRequest = new KeystoneUpdateGroupRequest()
            {
                GroupId = "",
                Body    = new KeystoneUpdateGroupRequestBody()
                {
                    Group = new KeystoneUpdateGroupOption()
                    {
                        Description = "",
                        DomainId    = "",
                        Name        = ""
                    }
                }
            };

            try
            {
                var keystoneUpdateGroupResponse = iamClient.KeystoneUpdateGroup(keystoneUpdateGroupRequest);
                Console.WriteLine(JsonConvert.SerializeObject(keystoneUpdateGroupResponse.Group));
            }
            catch (RequestTimeoutException requestTimeoutException)
            {
                Console.WriteLine(requestTimeoutException.ErrorMessage);
            }
            catch (ServiceResponseException clientRequestException)
            {
                Console.WriteLine(clientRequestException.HttpStatusCode);
                Console.WriteLine(clientRequestException.ErrorCode);
                Console.WriteLine(clientRequestException.ErrorMsg);
            }
            catch (ConnectionException connectionException)
            {
                Console.WriteLine(connectionException.ErrorMessage);
            }
        }