private static void KeystoneCheckUserInGroup(IamClient iamClient)
        {
            var keystoneCheckUserInGroupRequest = new KeystoneCheckUserInGroupRequest()
            {
                GroupId = "",
                UserId  = ""
            };

            try
            {
                var keystoneCheckUserInGroupResponse =
                    iamClient.KeystoneCheckUserInGroup(keystoneCheckUserInGroupRequest);
                Console.WriteLine(keystoneCheckUserInGroupResponse.HttpStatusCode);
            }
            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);
            }
        }