return
	}

	var cfgList []madmin.IDPListItem
	var err error
	switch idpCfgType {
	case madmin.OpenidIDPCfg:
		cfg := globalServerConfig.Clone()
		cfgList, err = globalIAMSys.OpenIDConfig.GetConfigList(cfg)
	case madmin.LDAPIDPCfg:
		cfg := globalServerConfig.Clone()
		cfgList, err = globalIAMSys.LDAPConfig.GetConfigList(cfg)

	default:

		},
	}

	config.RegisterHelpDeprecatedSubSys(deprecatedHelpKVMap)
}

var (
	// globalServerConfig server config.
	globalServerConfig   config.Config
	globalServerConfigMu sync.RWMutex
)

func validateSubSysConfig(ctx context.Context, s config.Config, subSys string, objAPI ObjectLayer) error {
	switch subSys {

	ctx := r.Context()

	objectAPI, cred := validateAdminReq(ctx, w, r, policy.ConfigUpdateAdminAction)
	if objectAPI == nil {
		return
	}

	cfg := globalServerConfig.Clone()
	vars := mux.Vars(r)
	key := vars["key"]

	var subSys, target string
	{
		ws := strings.SplitN(key, madmin.SubSystemSeparator, 2)
		subSys = ws[0]
		if len(ws) == 2 {
			if ws[1] == "" {

		return err
	}

	// Set a default region.
	config.SetRegion(globalServerConfig, bucketLocation)

	applyDynamicConfigForSubSys(context.Background(), obj, globalServerConfig, config.StorageClassSubSys)

	// Save config.
	return saveServerConfig(context.Background(), obj, globalServerConfig)
}

// Deleting the temporary backend and stopping the server.
func (testServer TestServer) Stop() {

func (sys *IAMSys) Init(ctx context.Context, objAPI ObjectLayer, etcdClient *etcd.Client, iamRefreshInterval time.Duration) {
	bootstrapTraceMsg("IAM initialization started")
	globalServerConfigMu.RLock()
	s := globalServerConfig
	globalServerConfigMu.RUnlock()

	openidConfig, err := openid.LookupConfig(s,
		NewHTTPTransport(), xhttp.DrainBody, globalSite.Region())
	if err != nil {