1 files changed, 41 insertions, 0 deletions

diff --git a/src/api/wix/WixToolset.Extensibility/Data/IExtensionCacheLocation.cs b/src/api/wix/WixToolset.Extensibility/Data/IExtensionCacheLocation.cs
new file mode 100644
index 00000000..53158875
--- /dev/null
+++ b/src/api/wix/WixToolset.Extensibility/Data/IExtensionCacheLocation.cs
@@ -0,0 +1,41 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+namespace WixToolset.Extensibility.Data
+{
+    /// <summary>
+    /// Extension cache location scope.
+    /// </summary>
+    public enum ExtensionCacheLocationScope
+    {
+        /// <summary>
+        /// Project extension cache location.
+        /// </summary>
+        Project,
+
+        /// <summary>
+        /// User extension cache location.
+        /// </summary>
+        User,
+
+        /// <summary>
+        /// Machine extension cache location.
+        /// </summary>
+        Machine,
+    }
+
+    /// <summary>
+    /// Location where extensions may be cached.
+    /// </summary>
+    public interface IExtensionCacheLocation
+    {
+        /// <summary>
+        /// Path for  the extension cache location.
+        /// </summary>
+        string Path { get; }
+
+        /// <summary>
+        /// Scope for the extension cache location.
+        /// </summary>
+        ExtensionCacheLocationScope Scope { get; }
+    }
+}