1 files changed, 30 insertions, 0 deletions
diff --git a/src/System.Private.CoreLib/shared/System/Threading/Tasks/AsyncCausalityTracerConstants.cs b/src/System.Private.CoreLib/shared/System/Threading/Tasks/AsyncCausalityTracerConstants.cs
new file mode 100644
index 0000000000..3677051f05
--- /dev/null
+++ b/src/System.Private.CoreLib/shared/System/Threading/Tasks/AsyncCausalityTracerConstants.cs
@@ -0,0 +1,30 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+namespace System.Threading.Tasks
+{
+    internal enum AsyncCausalityStatus
+    {
+        Started = 0,
+        Completed = 1,
+        Canceled = 2,
+        Error = 3,
+    }
+
+    internal enum CausalityRelation
+    {
+        AssignDelegate = 0,
+        Join = 1,
+        Choice = 2,
+        Cancel = 3,
+        Error = 4,
+    }
+
+    internal enum CausalitySynchronousWork
+    {
+        CompletionNotification = 0,
+        ProgressNotification = 1,
+        Execution = 2,
+    }
+}