namespace System.ServiceModel.Description
{
    [AttributeUsage(AttributeTargets.Method)]
    [Obsolete("The WF3 types are deprecated.  Instead, please use the new WF4 types from System.Activities.*")]
    public sealed class DurableOperationAttribute : Attribute, IOperationBehavior
    {
        public void Validate(OperationDescription operationDescription);
    }
}