private static void KeystoneRemoveDomainPermissionFromGroup(IamClient iamClient)
        {
            var keystoneRemovePermissionFromGroupOnDomainRequest =
                new KeystoneRemoveDomainPermissionFromGroupRequest()
            {
                GroupId = "",
                RoleId  = ""
            };

            try
            {
                var keystoneRemovePermissionFromGroupOnDomainResponse =
                    iamClient.KeystoneRemoveDomainPermissionFromGroup(
                        keystoneRemovePermissionFromGroupOnDomainRequest);
                Console.WriteLine(
                    JsonConvert.SerializeObject(keystoneRemovePermissionFromGroupOnDomainResponse.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);
            }
        }