1 files changed, 30 insertions, 0 deletions

diff --git a/src/api/wix/WixToolset.Extensibility/Services/IVariableResolution.cs b/src/api/wix/WixToolset.Extensibility/Services/IVariableResolution.cs
new file mode 100644
index 00000000..adcec47f
--- /dev/null
+++ b/src/api/wix/WixToolset.Extensibility/Services/IVariableResolution.cs
@@ -0,0 +1,30 @@
+// 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.Services
+{
+    /// <summary>
+    /// Result when resolving a variable.
+    /// </summary>
+    public interface IVariableResolution
+    {
+        /// <summary>
+        /// Indicates if the value contains variables that cannot be resolved yet.
+        /// </summary>
+        bool DelayedResolve { get; set; }
+
+        /// <summary>
+        /// Indicates whether a bind variables default value was used in the resolution.
+        /// </summary>
+        bool IsDefault { get; set; }
+
+        /// <summary>
+        /// Indicates whether the resolution updated the value.
+        /// </summary>
+        bool UpdatedValue { get; set; }
+
+        /// <summary>
+        /// The resolved value.
+        /// </summary>
+        string Value { get; set; }
+    }
+}