1 files changed, 12 insertions, 0 deletions
diff --git a/Rx/NET/Source/System.Reactive.Linq/Reactive/Internal/IConcatenatable.cs b/Rx/NET/Source/System.Reactive.Linq/Reactive/Internal/IConcatenatable.cs
new file mode 100644
index 0000000..88a89c8
--- /dev/null
+++ b/Rx/NET/Source/System.Reactive.Linq/Reactive/Internal/IConcatenatable.cs
@@ -0,0 +1,12 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
+
+using System;
+using System.Collections.Generic;
+
+namespace System.Reactive
+{
+    interface IConcatenatable<TSource>
+    {
+        IEnumerable<IObservable<TSource>> GetSources();
+    }
+}