Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

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

@@ -0,0 +1,27 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Workflow.ComponentModel;
+using System.Runtime.Serialization;
+using System.Security.Permissions;
+using System.Workflow.Runtime.Hosting;
+
+namespace System.Workflow.Runtime.Tracking
+{
+    /// <summary>
+    /// Base class for tracking services.
+    /// </summary>
+    [Obsolete("The System.Workflow.* types are deprecated.  Instead, please use the new types from System.Activities.*")]
+    public abstract class TrackingService : WorkflowRuntimeService
+    {
+        protected internal abstract TrackingChannel GetTrackingChannel(TrackingParameters parameters);
+
+        protected internal abstract bool TryGetProfile(Type workflowType, out TrackingProfile profile);
+
+        protected internal abstract TrackingProfile GetProfile(Type workflowType, Version profileVersionId);
+
+        protected internal abstract TrackingProfile GetProfile(Guid workflowInstanceId);
+
+        protected internal abstract bool TryReloadProfile(Type workflowType, Guid workflowInstanceId, out TrackingProfile profile);
+    }
+}