using System.ComponentModel; namespace System.Reactive.Concurrency { [EditorBrowsable(EditorBrowsableState.Never)] public interface IConcurrencyAbstractionLayer { bool SupportsLongRunning { get; } IDisposable StartTimer(Action<object> action, object state, TimeSpan dueTime); IDisposable StartPeriodicTimer(Action action, TimeSpan period); IDisposable QueueUserWorkItem(Action<object> action, object state); void Sleep(TimeSpan timeout); IStopwatch StartStopwatch(); void StartThread(Action<object> action, object state); } }