1 files changed, 22 insertions, 9 deletions

diff --git a/src/api/burn/WixToolset.Mba.Core/IBootstrapperApplication.cs b/src/api/burn/WixToolset.Mba.Core/IBootstrapperApplication.cs
index 07c1a23b..259c407f 100644
--- a/src/api/burn/WixToolset.Mba.Core/IBootstrapperApplication.cs
+++ b/src/api/burn/WixToolset.Mba.Core/IBootstrapperApplication.cs
@@ -373,24 +373,18 @@ namespace WixToolset.Mba.Core
         /// <summary>
         /// See <see cref="IDefaultBootstrapperApplication.PlanMsiPackage"/>.
         /// </summary>
-        /// <param name="wzPackageId"></param>
-        /// <param name="fExecute"></param>
-        /// <param name="action"></param>
-        /// <param name="fCancel"></param>
-        /// <param name="actionMsiProperty"></param>
-        /// <param name="uiLevel"></param>
-        /// <param name="fDisableExternalUiHandler"></param>
-        /// <returns></returns>
         [PreserveSig]
         [return: MarshalAs(UnmanagedType.I4)]
         int OnPlanMsiPackage(
             [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
             [MarshalAs(UnmanagedType.Bool)] bool fExecute,
             [MarshalAs(UnmanagedType.U4)] ActionState action,
+            [MarshalAs(UnmanagedType.U4)] BOOTSTRAPPER_MSI_FILE_VERSIONING recommendedFileVersioning,
             [MarshalAs(UnmanagedType.Bool)] ref bool fCancel,
             [MarshalAs(UnmanagedType.U4)] ref BURN_MSI_PROPERTY actionMsiProperty,
             [MarshalAs(UnmanagedType.U4)] ref INSTALLUILEVEL uiLevel,
-            [MarshalAs(UnmanagedType.Bool)] ref bool fDisableExternalUiHandler
+            [MarshalAs(UnmanagedType.Bool)] ref bool fDisableExternalUiHandler,
+            [MarshalAs(UnmanagedType.U4)] ref BOOTSTRAPPER_MSI_FILE_VERSIONING fileVersioning
             );
 
         /// <summary>
@@ -1852,6 +1846,25 @@ namespace WixToolset.Mba.Core
     }
 
     /// <summary>
+    /// The file versioning options for REINSTALLMODE, see https://docs.microsoft.com/en-us/windows/win32/msi/reinstallmode.
+    /// </summary>
+    public enum BOOTSTRAPPER_MSI_FILE_VERSIONING
+    {
+        /// <summary>
+        /// o
+        /// </summary>
+        Older,
+        /// <summary>
+        /// e
+        /// </summary>
+        Equal,
+        /// <summary>
+        /// a
+        /// </summary>
+        All,
+    }
+
+    /// <summary>
     /// The property Burn will add so the MSI can know the planned action for the package.
     /// </summary>
     public enum BURN_MSI_PROPERTY