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);
            }
        }
        /// <summary>
        /// 移除用户组的全局服务权限
        /// </summary>
        public KeystoneRemoveDomainPermissionFromGroupResponse KeystoneRemoveDomainPermissionFromGroup(KeystoneRemoveDomainPermissionFromGroupRequest keystoneRemoveDomainPermissionFromGroupRequest)
        {
            Dictionary <string, string> urlParam = new Dictionary <string, string>();

            urlParam.Add("domain_id", keystoneRemoveDomainPermissionFromGroupRequest.DomainId.ToString());
            urlParam.Add("group_id", keystoneRemoveDomainPermissionFromGroupRequest.GroupId.ToString());
            urlParam.Add("role_id", keystoneRemoveDomainPermissionFromGroupRequest.RoleId.ToString());
            string      urlPath  = HttpUtils.AddUrlPath("/v3/domains/{domain_id}/groups/{group_id}/roles/{role_id}", urlParam);
            SdkRequest  request  = HttpUtils.InitSdkRequest(urlPath, keystoneRemoveDomainPermissionFromGroupRequest);
            SdkResponse response = DoHttpRequest("DELETE", request);

            return(JsonUtils.DeSerializeNull <KeystoneRemoveDomainPermissionFromGroupResponse>(response));
        }