namespace System.ServiceModel.Activities
{
    [ServiceContract(Name = "IWorkflowInstanceManagement", Namespace = "http://schemas.datacontract.org/2008/10/WorkflowServices")]
    [WorkflowContractBehavior]
    public interface IWorkflowInstanceManagement
    {
        [OperationContract(AsyncPattern = true, Name = "TransactedSuspend")]
        IAsyncResult BeginTransactedSuspend(Guid instanceId, string reason, AsyncCallback callback, object state);
    }
}