namespace System.Workflow.Activities
{
    [ActivityValidator(typeof(DelayActivityValidator))]
    [DefaultEvent("InitializeTimeoutDuration")]
    [Designer(typeof(DelayDesigner), typeof(IDesigner))]
    [ToolboxBitmap(typeof(DelayActivity), "Resources.Delay.png")]
    [ToolboxItem(typeof(ActivityToolboxItem))]
    public sealed class DelayActivity : Activity, IEventActivity, IActivityEventListener<QueueEventArgs>
    {
        protected override void OnClosed(IServiceProvider provider);
    }
}