1 files changed, 26 insertions, 0 deletions

diff --git a/src/WixToolset.Extensibility/IBindVariableResolver.cs b/src/WixToolset.Extensibility/IBindVariableResolver.cs
new file mode 100644
index 00000000..4c2c3003
--- /dev/null
+++ b/src/WixToolset.Extensibility/IBindVariableResolver.cs
@@ -0,0 +1,26 @@
+// 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
+{
+    using WixToolset.Data;
+    using WixToolset.Data.Rows;
+
+    public interface IBindVariableResolver
+    {
+        int VariableCount { get; }
+
+        void AddVariable(string name, string value);
+
+        void AddVariable(WixVariableRow wixVariableRow);
+
+        string ResolveVariables(SourceLineNumber sourceLineNumbers, string value, bool localizationOnly);
+
+        string ResolveVariables(SourceLineNumber sourceLineNumbers, string value, bool localizationOnly, bool errorOnUnknown, out bool isDefault, out bool delayedResolve);
+
+        string ResolveVariables(SourceLineNumber sourceLineNumbers, string value, bool localizationOnly, out bool isDefault);
+
+        string ResolveVariables(SourceLineNumber sourceLineNumbers, string value, bool localizationOnly, out bool isDefault, out bool delayedResolve);
+
+        bool TryGetLocalizedControl(string dialog, string control, out LocalizedControl localizedControl);
+    }
+}