1 files changed, 20 insertions, 0 deletions
diff --git a/src/Text/Def/Internal/TextLogic/IEditOnlyTextUndoPrimitive.cs b/src/Text/Def/Internal/TextLogic/IEditOnlyTextUndoPrimitive.cs
new file mode 100644
index 0000000..74dec93
--- /dev/null
+++ b/src/Text/Def/Internal/TextLogic/IEditOnlyTextUndoPrimitive.cs
@@ -0,0 +1,20 @@
+//
+//  Copyright (c) Microsoft Corporation. All rights reserved.
+//  Licensed under the MIT License. See License.txt in the project root for license information.
+//
+// This file contain internal APIs that are subject to change without notice.
+// Use at your own risk.
+//
+namespace Microsoft.VisualStudio.Text.Operations
+{
+    /// <summary>
+    /// Represents undo primitive that consists only of text changes.
+    /// </summary>
+    public interface IEditOnlyTextUndoPrimitive : ITextUndoPrimitive
+    {
+        INormalizedTextChangeCollection Changes { get; }
+
+        int? BeforeReiteratedVersionNumber { get; }
+        int? AfterReiteratedVersionNumber { get; }
+    }
+}