public string GetLogoutJavascriptCode(string userName)
{
UserClientStore.CheckNotNull(nameof(UserClientStore));
var userClients = UserClientStore.GetUserClients(userName);
var logoutNotifyUrls =
userClients.Where(p => !p.LogoutNotifyUrl.IsNullOrWhiteSpace()).Select(p => p.LogoutNotifyUrl).ToList();
return(Javascript.GetLogoutCode(logoutNotifyUrls));
}