Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Workflow.Runtime/Tracking/TrackingWorkflowEvent.cs

@@ -0,0 +1,44 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Text;
+using System.Xml;
+using System.Xml.Schema;
+using System.IO;
+using System.Reflection;
+using System.Diagnostics;
+using System.Runtime.Serialization;
+using System.Security.Permissions;
+using System.Globalization;
+
+//using System.Workflow.Activities;
+using System.Workflow.ComponentModel;
+using System.Workflow.Runtime;
+using System.Workflow.Runtime.Hosting;
+using Hosting = System.Workflow.Runtime.Hosting;
+
+namespace System.Workflow.Runtime.Tracking
+{
+    /// <summary>
+    /// Events for workflow instances.
+    /// </summary>
+    [Serializable]
+    [Obsolete("The System.Workflow.* types are deprecated.  Instead, please use the new types from System.Activities.*")]
+    public enum TrackingWorkflowEvent
+    {
+        Created = 0,
+        Completed = 1,
+        Idle = 2,
+        Suspended = 3,
+        Resumed = 4,
+        Persisted = 5,
+        Unloaded = 6,
+        Loaded = 7,
+        Exception = 8,
+        Terminated = 9,
+        Aborted = 10,
+        Changed = 11,
+        Started = 12
+    }
+}