Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Workflow.ComponentModel/AuthoringOM/Interfaces.cs

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+namespace System.Workflow.ComponentModel
+{
+    #region Imports
+
+    using System;
+    using System.Xml;
+    using System.Xml.Serialization;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.ComponentModel;
+    using System.CodeDom;
+    using System.Reflection;
+    using System.IO;
+    using System.Runtime.Serialization;
+    using System.Security.Permissions;
+    using System.ComponentModel.Design.Serialization;
+    using System.Workflow.ComponentModel.Compiler;
+    using System.Workflow.ComponentModel.Design;
+
+    #endregion
+
+    // Interface for objects that support mining for workflow changes.
+    [EditorBrowsable(EditorBrowsableState.Never)]
+    [Obsolete("The System.Workflow.* types are deprecated.  Instead, please use the new types from System.Activities.*")]
+    public interface IWorkflowChangeDiff
+    {
+        IList<WorkflowChangeAction> Diff(object originalDefinition, object changedDefinition);
+    }
+}