private static void KeystoneRemoveUserFromGroup(IamClient iamClient)
        {
            var keystoneRemoveUserFromGroupRequest = new KeystoneRemoveUserFromGroupRequest()
            {
                UserId  = "",
                GroupId = ""
            };

            try
            {
                var keystoneRemoveUserFromGroupResponse =
                    iamClient.KeystoneRemoveUserFromGroup(keystoneRemoveUserFromGroupRequest);
                Console.WriteLine(keystoneRemoveUserFromGroupResponse.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);
            }
        }