private static void KeystoneListProjectPermissionsForGroup(IamClient iamClient)
        {
            var keystoneListProjectPermissionsForGroupRequest = new KeystoneListProjectPermissionsForGroupRequest()
            {
                ProjectId = "",
                GroupId   = ""
            };

            try
            {
                var keystoneListProjectPermissionsForGroupResponse =
                    iamClient.KeystoneListProjectPermissionsForGroup(keystoneListProjectPermissionsForGroupRequest);
                foreach (var role in keystoneListProjectPermissionsForGroupResponse.Roles)
                {
                    Console.WriteLine(JsonConvert.SerializeObject(role));
                }
            }
            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>
        /// 查询项目服务中的用户组权限
        /// </summary>
        public KeystoneListProjectPermissionsForGroupResponse KeystoneListProjectPermissionsForGroup(KeystoneListProjectPermissionsForGroupRequest keystoneListProjectPermissionsForGroupRequest)
        {
            Dictionary <string, string> urlParam = new Dictionary <string, string>();

            urlParam.Add("project_id", keystoneListProjectPermissionsForGroupRequest.ProjectId.ToString());
            urlParam.Add("group_id", keystoneListProjectPermissionsForGroupRequest.GroupId.ToString());
            string      urlPath  = HttpUtils.AddUrlPath("/v3/projects/{project_id}/groups/{group_id}/roles", urlParam);
            SdkRequest  request  = HttpUtils.InitSdkRequest(urlPath, keystoneListProjectPermissionsForGroupRequest);
            SdkResponse response = DoHttpRequest("GET", request);

            return(JsonUtils.DeSerialize <KeystoneListProjectPermissionsForGroupResponse>(response));
        }