Expose overridable variable APIs in balutil and Mba.Core.

Fixes #4777

1 files changed, 30 insertions, 0 deletions

diff --git a/src/api/burn/WixToolset.Mba.Core/IMbaCommand.cs b/src/api/burn/WixToolset.Mba.Core/IMbaCommand.cs
new file mode 100644
index 00000000..a3ad68d8
--- /dev/null
+++ b/src/api/burn/WixToolset.Mba.Core/IMbaCommand.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.Mba.Core
+{
+    using System.Collections.Generic;
+
+    /// <summary>
+    /// Command information parsed from the command line.
+    /// </summary>
+    public interface IMbaCommand
+    {
+        /// <summary>
+        /// The command line arguments not parsed into <see cref="IBootstrapperCommand"/> or <see cref="IMbaCommand"/>.
+        /// </summary>
+        string[] UnknownCommandLineArgs { get; }
+
+        /// <summary>
+        /// The variables that were parsed from the command line.
+        /// Key = variable name, Value = variable value.
+        /// </summary>
+        KeyValuePair<string, string>[] Variables { get; }
+
+        /// <summary>
+        /// Sets overridable variables from the command line.
+        /// </summary>
+        /// <param name="overridableVariables">The overridable variable information from <see cref="IBootstrapperApplicationData"/>.</param>
+        /// <param name="engine">The engine.</param>
+        void SetOverridableVariables(IOverridableVariables overridableVariables, IEngine engine);
+    }
+}