Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Workflow.Runtime/IPendingWork.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections;
+using System.Workflow.ComponentModel;
+using System.Workflow.Runtime;
+using System.Diagnostics;
+using System.Transactions;
+
+namespace System.Workflow.Runtime
+{
+    [Obsolete("The System.Workflow.* types are deprecated.  Instead, please use the new types from System.Activities.*")]
+    public interface IPendingWork
+    {
+        /// <summary>
+        /// Allows pending work members to assert that they need to commit.  
+        /// This is used to eliminate unnecessary commits.
+        /// </summary>
+        /// <param name="items">Items belonging to this pending work member</param>
+        /// <returns>true if a Commit is required; false if not</returns>
+        bool MustCommit(ICollection items);
+        /// <summary>
+        /// Commmit the work items using the transaction
+        /// </summary>
+        /// <param name="transaction"></param>
+        /// <param name="items"></param>
+        void Commit(System.Transactions.Transaction transaction, ICollection items);
+
+        /// <summary>
+        /// Perform necesssary cleanup. Called when the scope
+        /// has finished processing this batch of work items
+        /// </summary>
+        /// <param name="succeeded"></param>
+        /// <param name="items"></param>
+        void Complete(bool succeeded, ICollection items);
+    }
+}