From 3d2d46f62fc01e2653d0251ad9703090574e7c41 Mon Sep 17 00:00:00 2001
From: Rob Mensching <rob@firegiant.com>
Date: Wed, 6 Mar 2024 14:48:10 -0800
Subject: Better .nupkg names

---
 .../IBootstrapperApplication.cs                    | 2013 ++++++++++++++++++++
 1 file changed, 2013 insertions(+)
 create mode 100644 src/api/burn/WixToolset.BootstrapperApplicationApi/IBootstrapperApplication.cs

(limited to 'src/api/burn/WixToolset.BootstrapperApplicationApi/IBootstrapperApplication.cs')

diff --git a/src/api/burn/WixToolset.BootstrapperApplicationApi/IBootstrapperApplication.cs b/src/api/burn/WixToolset.BootstrapperApplicationApi/IBootstrapperApplication.cs
new file mode 100644
index 00000000..ad7f8dd7
--- /dev/null
+++ b/src/api/burn/WixToolset.BootstrapperApplicationApi/IBootstrapperApplication.cs
@@ -0,0 +1,2013 @@
+// 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.BootstrapperApplicationApi
+{
+    using System;
+    using System.Runtime.InteropServices;
+
+    /// <summary>
+    /// Allows customization of the bootstrapper application.
+    /// </summary>
+    [ComImport]
+    [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
+    [Guid("53C31D56-49C0-426B-AB06-099D717C67FE")]
+    public interface IBootstrapperApplication
+    {
+        /// <summary>
+        /// Low level method that is called directly from the engine.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int BAProc(
+            int message,
+            IntPtr pvArgs,
+            IntPtr pvResults
+            );
+
+        /// <summary>
+        /// Low level method that is called directly from the engine.
+        /// </summary>
+        void BAProcFallback(
+            int message,
+            IntPtr pvArgs,
+            IntPtr pvResults,
+            ref int phr
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.Create"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCreate(IBootstrapperEngine engine, ref Command command);
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.Destroy"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnDestroy(bool reload);
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.Startup"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnStartup();
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.Shutdown"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnShutdown(ref BOOTSTRAPPER_SHUTDOWN_ACTION action);
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.DetectBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnDetectBegin(
+            [MarshalAs(UnmanagedType.Bool)] bool fCached,
+            [MarshalAs(UnmanagedType.U4)] RegistrationType registrationType,
+            [MarshalAs(UnmanagedType.U4)] int cPackages,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.DetectForwardCompatibleBundle"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnDetectForwardCompatibleBundle(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzBundleId,
+            [MarshalAs(UnmanagedType.U4)] RelationType relationType,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzBundleTag,
+            [MarshalAs(UnmanagedType.Bool)] bool fPerMachine,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzVersion,
+            [MarshalAs(UnmanagedType.Bool)] bool fMissingFromCache,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.DetectUpdateBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnDetectUpdateBegin(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzUpdateLocation,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fSkip
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.DetectUpdate"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnDetectUpdate(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzUpdateLocation,
+            [MarshalAs(UnmanagedType.U8)] long dw64Size,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzHash,
+            [MarshalAs(UnmanagedType.U4)] UpdateHashType hashAlgorithm,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzVersion,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzTitle,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzSummary,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzContentType,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzContent,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fStopProcessingUpdates
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.DetectUpdateComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnDetectUpdateComplete(
+            int hrStatus,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fIgnoreError
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.DetectRelatedBundle"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnDetectRelatedBundle(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzBundleId,
+            [MarshalAs(UnmanagedType.U4)] RelationType relationType,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzBundleTag,
+            [MarshalAs(UnmanagedType.Bool)] bool fPerMachine,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzVersion,
+            [MarshalAs(UnmanagedType.Bool)] bool fMissingFromCache,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.DetectPackageBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnDetectPackageBegin(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.DetectCompatibleMsiPackage"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnDetectCompatibleMsiPackage(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzCompatiblePackageId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzCompatiblePackageVersion,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.DetectRelatedMsiPackage"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnDetectRelatedMsiPackage(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzUpgradeCode,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzProductCode,
+            [MarshalAs(UnmanagedType.Bool)] bool fPerMachine,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzVersion,
+            [MarshalAs(UnmanagedType.U4)] RelatedOperation operation,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.DetectPatchTarget"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnDetectPatchTarget(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzProductCode,
+            [MarshalAs(UnmanagedType.U4)] PackageState patchState,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.DetectMsiFeature"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnDetectMsiFeature(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzFeatureId,
+            [MarshalAs(UnmanagedType.U4)] FeatureState state,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.DetectPackageComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnDetectPackageComplete(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            int hrStatus,
+            [MarshalAs(UnmanagedType.U4)] PackageState state,
+            [MarshalAs(UnmanagedType.Bool)] bool fCached
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.DetectComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnDetectComplete(
+            int hrStatus,
+            [MarshalAs(UnmanagedType.Bool)] bool fEligibleForCleanup
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.PlanBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnPlanBegin(
+            [MarshalAs(UnmanagedType.U4)] int cPackages,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.PlanRelatedBundle"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnPlanRelatedBundle(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzBundleId,
+            [MarshalAs(UnmanagedType.U4)] RequestState recommendedState,
+            [MarshalAs(UnmanagedType.U4)] ref RequestState pRequestedState,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.PlanRollbackBoundary"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnPlanRollbackBoundary(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzRollbackBoundaryId,
+            [MarshalAs(UnmanagedType.Bool)] bool fRecommendedTransaction,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fTransaction,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.PlanPackageBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnPlanPackageBegin(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.U4)] PackageState state,
+            [MarshalAs(UnmanagedType.Bool)] bool fCached,
+            [MarshalAs(UnmanagedType.U4)] BOOTSTRAPPER_PACKAGE_CONDITION_RESULT installCondition,
+            [MarshalAs(UnmanagedType.U4)] BOOTSTRAPPER_PACKAGE_CONDITION_RESULT repairCondition,
+            [MarshalAs(UnmanagedType.U4)] RequestState recommendedState,
+            [MarshalAs(UnmanagedType.U4)] BOOTSTRAPPER_CACHE_TYPE recommendedCacheType,
+            [MarshalAs(UnmanagedType.U4)] ref RequestState pRequestedState,
+            [MarshalAs(UnmanagedType.U4)] ref BOOTSTRAPPER_CACHE_TYPE pRequestedCacheType,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.PlanCompatibleMsiPackageBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnPlanCompatibleMsiPackageBegin(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzCompatiblePackageId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzCompatiblePackageVersion,
+            [MarshalAs(UnmanagedType.Bool)] bool fRecommendedRemove,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fRequestRemove,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.PlanCompatibleMsiPackageComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnPlanCompatibleMsiPackageComplete(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzCompatiblePackageId,
+            int hrStatus,
+            [MarshalAs(UnmanagedType.Bool)] bool fRequestedRemove
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.PlanPatchTarget"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnPlanPatchTarget(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzProductCode,
+            [MarshalAs(UnmanagedType.U4)] RequestState recommendedState,
+            [MarshalAs(UnmanagedType.U4)] ref RequestState pRequestedState,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.PlanMsiFeature"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnPlanMsiFeature(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzFeatureId,
+            [MarshalAs(UnmanagedType.U4)] FeatureState recommendedState,
+            [MarshalAs(UnmanagedType.U4)] ref FeatureState pRequestedState,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.PlanMsiPackage"/>.
+        /// </summary>
+        [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.U4)] ref BOOTSTRAPPER_MSI_FILE_VERSIONING fileVersioning
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.PlanPackageComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnPlanPackageComplete(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            int hrStatus,
+            [MarshalAs(UnmanagedType.U4)] RequestState requested
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.PlannedCompatiblePackage"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnPlannedCompatiblePackage(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzCompatiblePackageId,
+            [MarshalAs(UnmanagedType.Bool)] bool fRemove
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.PlannedPackage"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnPlannedPackage(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.U4)] ActionState execute,
+            [MarshalAs(UnmanagedType.U4)] ActionState rollback,
+            [MarshalAs(UnmanagedType.Bool)] bool fPlannedCache,
+            [MarshalAs(UnmanagedType.Bool)] bool fPlannedUncache
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.PlanComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnPlanComplete(
+            int hrStatus
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.ApplyBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnApplyBegin(
+            [MarshalAs(UnmanagedType.U4)] int dwPhaseCount,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.ElevateBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnElevateBegin(
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.ElevateComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnElevateComplete(
+            int hrStatus
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.Progress"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnProgress(
+            [MarshalAs(UnmanagedType.U4)] int dwProgressPercentage,
+            [MarshalAs(UnmanagedType.U4)] int dwOverallPercentage,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.Error"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnError(
+            [MarshalAs(UnmanagedType.U4)] ErrorType errorType,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.U4)] int dwCode,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzError,
+            [MarshalAs(UnmanagedType.I4)] int dwUIHint,
+            [MarshalAs(UnmanagedType.U4)] int cData,
+            [MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 5, ArraySubType = UnmanagedType.LPWStr), In] string[] rgwzData,
+            [MarshalAs(UnmanagedType.I4)] Result nRecommendation,
+            [MarshalAs(UnmanagedType.I4)] ref Result pResult
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.RegisterBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnRegisterBegin(
+            [MarshalAs(UnmanagedType.I4)] RegistrationType recommendedRegistrationType,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel,
+            [MarshalAs(UnmanagedType.I4)] ref RegistrationType pRegistrationType
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.RegisterComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnRegisterComplete(
+            int hrStatus
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CacheBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCacheBegin(
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CachePackageBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCachePackageBegin(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.U4)] int cCachePayloads,
+            [MarshalAs(UnmanagedType.U8)] long dw64PackageCacheSize,
+            [MarshalAs(UnmanagedType.Bool)] bool fVital,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CacheAcquireBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCacheAcquireBegin(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageOrContainerId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPayloadId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzSource,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzDownloadUrl,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPayloadContainerId,
+            [MarshalAs(UnmanagedType.U4)] CacheOperation recommendation,
+            [MarshalAs(UnmanagedType.I4)] ref CacheOperation action,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CacheAcquireProgress"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCacheAcquireProgress(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageOrContainerId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPayloadId,
+            [MarshalAs(UnmanagedType.U8)] long dw64Progress,
+            [MarshalAs(UnmanagedType.U8)] long dw64Total,
+            [MarshalAs(UnmanagedType.U4)] int dwOverallPercentage,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CacheAcquireResolving"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCacheAcquireResolving(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageOrContainerId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPayloadId,
+            [MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3, ArraySubType = UnmanagedType.LPWStr), In] string[] searchPaths,
+            [MarshalAs(UnmanagedType.U4)] int cSearchPaths,
+            [MarshalAs(UnmanagedType.Bool)] bool fFoundLocal,
+            [MarshalAs(UnmanagedType.U4)] int dwRecommendedSearchPath,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzDownloadUrl,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPayloadContainerId,
+            [MarshalAs(UnmanagedType.I4)] CacheResolveOperation recommendation,
+            [MarshalAs(UnmanagedType.U4)] ref int dwChosenSearchPath,
+            [MarshalAs(UnmanagedType.I4)] ref CacheResolveOperation action,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CacheAcquireComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCacheAcquireComplete(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageOrContainerId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPayloadId,
+            int hrStatus,
+            BOOTSTRAPPER_CACHEACQUIRECOMPLETE_ACTION recommendation,
+            ref BOOTSTRAPPER_CACHEACQUIRECOMPLETE_ACTION pAction
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CacheVerifyBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCacheVerifyBegin(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageOrContainerId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPayloadId,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CacheVerifyProgress"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCacheVerifyProgress(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageOrContainerId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPayloadId,
+            [MarshalAs(UnmanagedType.U8)] long dw64Progress,
+            [MarshalAs(UnmanagedType.U8)] long dw64Total,
+            [MarshalAs(UnmanagedType.U4)] int dwOverallPercentage,
+            [MarshalAs(UnmanagedType.I4)] CacheVerifyStep verifyStep,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CacheVerifyComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCacheVerifyComplete(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageOrContainerId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPayloadId,
+            int hrStatus,
+            BOOTSTRAPPER_CACHEVERIFYCOMPLETE_ACTION recommendation,
+            ref BOOTSTRAPPER_CACHEVERIFYCOMPLETE_ACTION action
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CachePackageComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCachePackageComplete(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            int hrStatus,
+            BOOTSTRAPPER_CACHEPACKAGECOMPLETE_ACTION recommendation,
+            ref BOOTSTRAPPER_CACHEPACKAGECOMPLETE_ACTION action
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CacheComplete"/>.
+        /// </summary>
+        /// <param name="hrStatus"></param>
+        /// <returns></returns>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCacheComplete(
+            int hrStatus
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.ExecuteBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnExecuteBegin(
+            [MarshalAs(UnmanagedType.U4)] int cExecutingPackages,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.ExecutePackageBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnExecutePackageBegin(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.Bool)] bool fExecute,
+            [MarshalAs(UnmanagedType.U4)] ActionState action,
+            [MarshalAs(UnmanagedType.U4)] INSTALLUILEVEL uiLevel,
+            [MarshalAs(UnmanagedType.Bool)] bool fDisableExternalUiHandler,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.ExecutePatchTarget"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnExecutePatchTarget(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzTargetProductCode,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.ExecuteProgress"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnExecuteProgress(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.U4)] int dwProgressPercentage,
+            [MarshalAs(UnmanagedType.U4)] int dwOverallPercentage,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.ExecuteMsiMessage"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnExecuteMsiMessage(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.U4)] InstallMessage messageType,
+            [MarshalAs(UnmanagedType.I4)] int dwUIHint,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzMessage,
+            [MarshalAs(UnmanagedType.U4)] int cData,
+            [MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 4, ArraySubType = UnmanagedType.LPWStr), In] string[] rgwzData,
+            [MarshalAs(UnmanagedType.I4)] Result nRecommendation,
+            [MarshalAs(UnmanagedType.I4)] ref Result pResult
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.ExecuteFilesInUse"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnExecuteFilesInUse(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.U4)] int cFiles,
+            [MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 1, ArraySubType = UnmanagedType.LPWStr), In] string[] rgwzFiles,
+            [MarshalAs(UnmanagedType.I4)] Result nRecommendation,
+            [MarshalAs(UnmanagedType.I4)] FilesInUseType source,
+            [MarshalAs(UnmanagedType.I4)] ref Result pResult
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.ExecutePackageComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnExecutePackageComplete(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            int hrStatus,
+            [MarshalAs(UnmanagedType.U4)] ApplyRestart restart,
+            [MarshalAs(UnmanagedType.I4)] BOOTSTRAPPER_EXECUTEPACKAGECOMPLETE_ACTION recommendation,
+            [MarshalAs(UnmanagedType.I4)] ref BOOTSTRAPPER_EXECUTEPACKAGECOMPLETE_ACTION pAction
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.ExecuteComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnExecuteComplete(
+            int hrStatus
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.UnregisterBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnUnregisterBegin(
+            [MarshalAs(UnmanagedType.I4)] RegistrationType recommendedRegistrationType,
+            [MarshalAs(UnmanagedType.I4)] ref RegistrationType pRegistrationType
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.UnregisterComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnUnregisterComplete(
+            int hrStatus
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.ApplyComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnApplyComplete(
+            int hrStatus,
+            [MarshalAs(UnmanagedType.U4)] ApplyRestart restart,
+            [MarshalAs(UnmanagedType.I4)] BOOTSTRAPPER_APPLYCOMPLETE_ACTION recommendation,
+            [MarshalAs(UnmanagedType.I4)] ref BOOTSTRAPPER_APPLYCOMPLETE_ACTION pAction
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.LaunchApprovedExeBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnLaunchApprovedExeBegin(
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.LaunchApprovedExeComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnLaunchApprovedExeComplete(
+            int hrStatus,
+            int processId
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.BeginMsiTransactionBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnBeginMsiTransactionBegin(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzTransactionId,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.BeginMsiTransactionComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnBeginMsiTransactionComplete(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzTransactionId,
+            int hrStatus
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CommitMsiTransactionBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCommitMsiTransactionBegin(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzTransactionId,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CommitMsiTransactionComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCommitMsiTransactionComplete(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzTransactionId,
+            int hrStatus,
+            [MarshalAs(UnmanagedType.U4)] ApplyRestart restart,
+            [MarshalAs(UnmanagedType.I4)] BOOTSTRAPPER_EXECUTEMSITRANSACTIONCOMPLETE_ACTION recommendation,
+            [MarshalAs(UnmanagedType.I4)] ref BOOTSTRAPPER_EXECUTEMSITRANSACTIONCOMPLETE_ACTION pAction
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.RollbackMsiTransactionBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnRollbackMsiTransactionBegin(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzTransactionId
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.RollbackMsiTransactionComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnRollbackMsiTransactionComplete(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzTransactionId,
+            int hrStatus,
+            [MarshalAs(UnmanagedType.U4)] ApplyRestart restart,
+            [MarshalAs(UnmanagedType.I4)] BOOTSTRAPPER_EXECUTEMSITRANSACTIONCOMPLETE_ACTION recommendation,
+            [MarshalAs(UnmanagedType.I4)] ref BOOTSTRAPPER_EXECUTEMSITRANSACTIONCOMPLETE_ACTION pAction
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.PauseAutomaticUpdatesBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnPauseAutomaticUpdatesBegin(
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.PauseAutomaticUpdatesComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnPauseAutomaticUpdatesComplete(
+            int hrStatus
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.SystemRestorePointBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnSystemRestorePointBegin(
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.SystemRestorePointComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnSystemRestorePointComplete(
+            int hrStatus
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.PlanForwardCompatibleBundle"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnPlanForwardCompatibleBundle(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzBundleId,
+            [MarshalAs(UnmanagedType.U4)] RelationType relationType,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzBundleTag,
+            [MarshalAs(UnmanagedType.Bool)] bool fPerMachine,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzVersion,
+            [MarshalAs(UnmanagedType.Bool)] bool fRecommendedIgnoreBundle,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fIgnoreBundle
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CacheContainerOrPayloadVerifyBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCacheContainerOrPayloadVerifyBegin(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPayloadId,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CacheContainerOrPayloadVerifyProgress"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCacheContainerOrPayloadVerifyProgress(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageOrContainerId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPayloadId,
+            [MarshalAs(UnmanagedType.U8)] long dw64Progress,
+            [MarshalAs(UnmanagedType.U8)] long dw64Total,
+            [MarshalAs(UnmanagedType.U4)] int dwOverallPercentage,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CacheContainerOrPayloadVerifyComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCacheContainerOrPayloadVerifyComplete(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPayloadId,
+            int hrStatus
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CachePayloadExtractBegin"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCachePayloadExtractBegin(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPayloadId,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CachePayloadExtractProgress"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCachePayloadExtractProgress(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageOrContainerId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPayloadId,
+            [MarshalAs(UnmanagedType.U8)] long dw64Progress,
+            [MarshalAs(UnmanagedType.U8)] long dw64Total,
+            [MarshalAs(UnmanagedType.U4)] int dwOverallPercentage,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CachePayloadExtractComplete"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCachePayloadExtractComplete(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPayloadId,
+            int hrStatus
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.PlanRestoreRelatedBundle"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnPlanRestoreRelatedBundle(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzBundleId,
+            [MarshalAs(UnmanagedType.U4)] RequestState recommendedState,
+            [MarshalAs(UnmanagedType.U4)] ref RequestState pRequestedState,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.PlanRelatedBundleType"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnPlanRelatedBundleType(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzBundleId,
+            [MarshalAs(UnmanagedType.U4)] RelatedBundlePlanType recommendedType,
+            [MarshalAs(UnmanagedType.U4)] ref RelatedBundlePlanType pRequestedType,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.ApplyDowngrade"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnApplyDowngrade(
+            [MarshalAs(UnmanagedType.I4)] int hrRecommended,
+            [MarshalAs(UnmanagedType.I4)] ref int hrStatus
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.ExecuteProcessCancel"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnExecuteProcessCancel(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            int processId,
+            [MarshalAs(UnmanagedType.I4)] BOOTSTRAPPER_EXECUTEPROCESSCANCEL_ACTION recommendation,
+            [MarshalAs(UnmanagedType.I4)] ref BOOTSTRAPPER_EXECUTEPROCESSCANCEL_ACTION pAction
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.DetectRelatedBundlePackage"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnDetectRelatedBundlePackage(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzBundleId,
+            [MarshalAs(UnmanagedType.U4)] RelationType relationType,
+            [MarshalAs(UnmanagedType.Bool)] bool fPerMachine,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzVersion,
+            [MarshalAs(UnmanagedType.Bool)] ref bool fCancel
+            );
+
+        /// <summary>
+        /// See <see cref="IDefaultBootstrapperApplication.CachePackageNonVitalValidationFailure"/>.
+        /// </summary>
+        [PreserveSig]
+        [return: MarshalAs(UnmanagedType.I4)]
+        int OnCachePackageNonVitalValidationFailure(
+            [MarshalAs(UnmanagedType.LPWStr)] string wzPackageId,
+            int hrStatus,
+            BOOTSTRAPPER_CACHEPACKAGENONVITALVALIDATIONFAILURE_ACTION recommendation,
+            ref BOOTSTRAPPER_CACHEPACKAGENONVITALVALIDATIONFAILURE_ACTION action
+            );
+    }
+
+    /// <summary>
+    /// The display level for the BA.
+    /// </summary>
+    public enum Display
+    {
+        /// <summary>
+        /// Invalid value.
+        /// </summary>
+        Unknown,
+
+        /// <summary>
+        /// The bundle is being run through the Burn protocol by an external application.
+        /// </summary>
+        Embedded,
+
+        /// <summary>
+        /// No UI should be shown.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// The UI should not require any interaction from the user.
+        /// </summary>
+        Passive,
+
+        /// <summary>
+        /// The UI should be fully interactive.
+        /// </summary>
+        Full,
+    }
+
+    /// <summary>
+    /// Messages from Windows Installer (msi.h).
+    /// </summary>
+    public enum InstallMessage
+    {
+        /// <summary>
+        /// premature termination, possibly fatal OOM
+        /// </summary>
+        FatalExit,
+
+        /// <summary>
+        /// formatted error message
+        /// </summary>
+        Error = 0x01000000,
+
+        /// <summary>
+        /// formatted warning message
+        /// </summary>
+        Warning = 0x02000000,
+
+        /// <summary>
+        /// user request message
+        /// </summary>
+        User = 0x03000000,
+
+        /// <summary>
+        /// informative message for log
+        /// </summary>
+        Info = 0x04000000,
+
+        /// <summary>
+        /// list of files in use that need to be replaced
+        /// </summary>
+        FilesInUse = 0x05000000,
+
+        /// <summary>
+        /// request to determine a valid source location
+        /// </summary>
+        ResolveSource = 0x06000000,
+
+        /// <summary>
+        /// insufficient disk space message
+        /// </summary>
+        OutOfDiskSpace = 0x07000000,
+
+        /// <summary>
+        /// start of action: action name &amp; description
+        /// </summary>
+        ActionStart = 0x08000000,
+
+        /// <summary>
+        /// formatted data associated with individual action item
+        /// </summary>
+        ActionData = 0x09000000,
+
+        /// <summary>
+        /// progress gauge info: units so far, total
+        /// </summary>
+        Progress = 0x0a000000,
+
+        /// <summary>
+        /// product info for dialog: language Id, dialog caption
+        /// </summary>
+        CommonData = 0x0b000000,
+
+        /// <summary>
+        /// sent prior to UI initialization, no string data
+        /// </summary>
+        Initialize = 0x0c000000,
+
+        /// <summary>
+        /// sent after UI termination, no string data
+        /// </summary>
+        Terminate = 0x0d000000,
+
+        /// <summary>
+        /// sent prior to display or authored dialog or wizard
+        /// </summary>
+        ShowDialog = 0x0e000000,
+
+        /// <summary>
+        /// log only, to log performance number like action time
+        /// </summary>
+        Performance = 0x0f000000,
+
+        /// <summary>
+        /// the list of apps that the user can request Restart Manager to shut down and restart
+        /// </summary>
+        RMFilesInUse = 0x19000000,
+
+        /// <summary>
+        /// sent prior to server-side install of a product
+        /// </summary>
+        InstallStart = 0x1a000000,
+
+        /// <summary>
+        /// sent after server-side install
+        /// </summary>
+        InstallEnd = 0x1B000000,
+    }
+
+    /// <summary>
+    /// The action to perform when a reboot is necessary.
+    /// </summary>
+    public enum Restart
+    {
+        /// <summary>
+        /// Invalid value.
+        /// </summary>
+        Unknown,
+
+        /// <summary>
+        /// The bundle should never initiate a restart.
+        /// </summary>
+        Never,
+
+        /// <summary>
+        /// The bundle should prompt the user whether to restart.
+        /// </summary>
+        Prompt,
+
+        /// <summary>
+        /// The bundle should restart if necessary.
+        /// </summary>
+        Automatic,
+
+        /// <summary>
+        /// The bundle should always restart when given the option.
+        /// </summary>
+        Always,
+    }
+
+    /// <summary>
+    /// The display name to use when registering in Add/Remove Programs.
+    /// </summary>
+    public enum RegistrationType
+    {
+        /// <summary>
+        /// No registration.
+        /// The engine will ignore None if it recommended InProgress or Full.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// The in-progress display name.
+        /// </summary>
+        InProgress,
+
+        /// <summary>
+        /// The default display name.
+        /// </summary>
+        Full,
+    }
+
+    /// <summary>
+    /// Result codes (based on Dialog Box Command IDs from WinUser.h).
+    /// </summary>
+    public enum Result
+    {
+        /// <summary>
+        /// An error occurred.
+        /// </summary>
+        Error = -1,
+
+        /// <summary>
+        /// Invalid value.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// IDOK
+        /// </summary>
+        Ok,
+
+        /// <summary>
+        /// IDCANCEL
+        /// </summary>
+        Cancel,
+
+        /// <summary>
+        /// IDABORT
+        /// </summary>
+        Abort,
+
+        /// <summary>
+        /// IDRETRY
+        /// </summary>
+        Retry,
+
+        /// <summary>
+        /// IDIGNORE
+        /// </summary>
+        Ignore,
+
+        /// <summary>
+        /// IDYES
+        /// </summary>
+        Yes,
+
+        /// <summary>
+        /// IDNO
+        /// </summary>
+        No,
+
+        /// <summary>
+        /// IDCLOSE
+        /// </summary>
+        Close,
+
+        /// <summary>
+        /// IDHELP
+        /// </summary>
+        Help,
+
+        /// <summary>
+        /// IDTRYAGAIN
+        /// </summary>
+        TryAgain,
+
+        /// <summary>
+        /// IDCONTINUE
+        /// </summary>
+        Continue,
+    }
+
+    /// <summary>
+    /// Describes why a bundle or packaged is being resumed.
+    /// </summary>
+    public enum ResumeType
+    {
+        /// <summary>
+        /// No resume information.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Resume information exists but is invalid.
+        /// </summary>
+        Invalid,
+
+        /// <summary>
+        /// The bundle was re-launched after an unexpected interruption.
+        /// </summary>
+        Interrupted,
+
+        /// <summary>
+        /// The bundle was re-launched after a reboot.
+        /// </summary>
+        Reboot,
+
+        /// <summary>
+        /// The bundle was re-launched after being suspended.
+        /// </summary>
+        Suspend,
+
+        /// <summary>
+        /// The bundle was launched from Add/Remove Programs.
+        /// </summary>
+        Arp,
+    }
+
+    /// <summary>
+    /// Indicates what caused the error.
+    /// </summary>
+    public enum ErrorType
+    {
+        /// <summary>
+        /// The error occurred trying to elevate.
+        /// </summary>
+        Elevate,
+
+        /// <summary>
+        /// The error came from the Windows Installer.
+        /// </summary>
+        WindowsInstaller,
+
+        /// <summary>
+        /// The error came from an EXE Package.
+        /// </summary>
+        ExePackage,
+
+        /// <summary>
+        /// The error came while trying to authenticate with an HTTP server.
+        /// </summary>
+        HttpServerAuthentication,
+
+        /// <summary>
+        /// The error came while trying to authenticate with an HTTP proxy.
+        /// </summary>
+        HttpProxyAuthentication,
+
+        /// <summary>
+        /// The error occurred during apply.
+        /// </summary>
+        Apply,
+    };
+
+    /// <summary>
+    /// Indicates the source of the FilesInUse message.
+    /// </summary>
+    public enum FilesInUseType
+    {
+        /// <summary>
+        /// Generated from INSTALLMESSAGE_FILESINUSE.
+        /// </summary>
+        Msi,
+        /// <summary>
+        /// Generated from INSTALLMESSAGE_RMFILESINUSE.
+        /// </summary>
+        MsiRm,
+        /// <summary>
+        /// Generated from MMIO_CLOSE_APPS.
+        /// </summary>
+        Netfx,
+    }
+
+    /// <summary>
+    /// The calculated operation for the related MSI package.
+    /// </summary>
+    public enum RelatedOperation
+    {
+        /// <summary>
+        /// No relation.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// The related bundle or package will be downgraded.
+        /// </summary>
+        Downgrade,
+
+        /// <summary>
+        /// The related package will be upgraded as a minor revision.
+        /// </summary>
+        MinorUpdate,
+
+        /// <summary>
+        /// The related bundle or package will be upgraded as a major revision.
+        /// </summary>
+        MajorUpgrade,
+
+        /// <summary>
+        /// The related bundle will be removed.
+        /// </summary>
+        Remove,
+
+        /// <summary>
+        /// The related bundle will be installed.
+        /// </summary>
+        Install,
+
+        /// <summary>
+        /// The related bundle will be repaired.
+        /// </summary>
+        Repair,
+    };
+
+    /// <summary>
+    /// The cache operation used to acquire a container or payload.
+    /// </summary>
+    public enum CacheOperation
+    {
+        /// <summary>
+        /// There is no source available.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Copy the payload or container from the chosen local source.
+        /// </summary>
+        Copy,
+
+        /// <summary>
+        /// Download the payload or container using the download URL.
+        /// </summary>
+        Download,
+
+        /// <summary>
+        /// Extract the payload from the container.
+        /// </summary>
+        Extract,
+    }
+
+    /// <summary>
+    /// The source to be used to acquire a container or payload.
+    /// </summary>
+    public enum CacheResolveOperation
+    {
+        /// <summary>
+        /// There is no source available.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Copy the payload or container from the chosen local source.
+        /// </summary>
+        Local,
+
+        /// <summary>
+        /// Download the payload or container from the download URL.
+        /// </summary>
+        Download,
+
+        /// <summary>
+        /// Extract the payload from the container.
+        /// </summary>
+        Container,
+
+        /// <summary>
+        /// Look again for the payload or container locally.
+        /// </summary>
+        Retry,
+    }
+
+    /// <summary>
+    /// The current step when verifying a container or payload.
+    /// </summary>
+    public enum CacheVerifyStep
+    {
+        /// <summary>
+        /// Copying or moving the file from the working path to the unverified path.
+        /// Not used during Layout.
+        /// </summary>
+        Stage,
+        /// <summary>
+        /// Hashing the file.
+        /// </summary>
+        Hash,
+        /// <summary>
+        /// Copying or moving the file to the final location.
+        /// </summary>
+        Finalize,
+    }
+
+    /// <summary>
+    /// The restart state after a package or all packages were applied.
+    /// </summary>
+    public enum ApplyRestart
+    {
+        /// <summary>
+        /// Package or chain does not require a restart.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Package or chain requires a restart but it has not been initiated yet.
+        /// </summary>
+        RestartRequired,
+
+        /// <summary>
+        /// Package or chain has already initiated the restart.
+        /// </summary>
+        RestartInitiated
+    }
+
+    /// <summary>
+    /// The relation type for related bundles.
+    /// </summary>
+    public enum RelationType
+    {
+        /// <summary>
+        /// No relation.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// The related bundle is detected by the running bundle.
+        /// This relationship is reversed for <see cref="IBootstrapperCommand.Relation" />
+        /// </summary>
+        Detect,
+
+        /// <summary>
+        /// The related bundle shares an upgrade code with the running bundle.
+        /// This relationship is reversed for <see cref="IBootstrapperCommand.Relation" />
+        /// </summary>
+        Upgrade,
+
+        /// <summary>
+        /// The related bundle is an add-on for the running bundle.
+        /// This relationship is reversed for <see cref="IBootstrapperCommand.Relation" />
+        /// </summary>
+        Addon,
+
+        /// <summary>
+        /// The related bundle is a patch for the running bundle.
+        /// This relationship is reversed for <see cref="IBootstrapperCommand.Relation" />
+        /// </summary>
+        Patch,
+
+        /// <summary>
+        /// The running bundle is an add-on for the related bundle.
+        /// This relationship is reversed for <see cref="IBootstrapperCommand.Relation" />
+        /// </summary>
+        DependentAddon,
+
+        /// <summary>
+        /// The running bundle is a patch for the related bundle.
+        /// This relationship is reversed for <see cref="IBootstrapperCommand.Relation" />
+        /// </summary>
+        DependentPatch,
+
+        /// <summary>
+        /// The related bundle is a newer version of the running bundle.
+        /// This relationship is reversed for <see cref="IBootstrapperCommand.Relation" />
+        /// </summary>
+        Update,
+
+        /// <summary>
+        /// The related bundle is in the running bundle's chain.
+        /// This relationship is reversed for <see cref="IBootstrapperCommand.Relation" />
+        /// </summary>
+        ChainPackage,
+    }
+
+    /// <summary>
+    /// The planned relation type for related bundles.
+    /// </summary>
+    public enum RelatedBundlePlanType
+    {
+        /// <summary>
+        /// Don't execute the related bundle.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// The running bundle is a downgrade for the related bundle.
+        /// </summary>
+        Downgrade,
+
+        /// <summary>
+        /// The running bundle is an upgrade for the related bundle.
+        /// </summary>
+        Upgrade,
+
+        /// <summary>
+        /// The related bundle is an add-on of the running bundle.
+        /// </summary>
+        Addon,
+
+        /// <summary>
+        /// The related bundle is a patch for the running bundle.
+        /// </summary>
+        Patch,
+
+        /// <summary>
+        /// The running bundle is an add-on for the related bundle.
+        /// </summary>
+        DependentAddon,
+
+        /// <summary>
+        /// The running bundle is a patch for the related bundle.
+        /// </summary>
+        DependentPatch,
+    }
+
+    /// <summary>
+    /// One or more reasons why the application is requested to be closed or is being closed.
+    /// </summary>
+    [Flags]
+    public enum EndSessionReasons
+    {
+        /// <summary>
+        /// The system is shutting down or restarting (it is not possible to determine which event is occurring).
+        /// </summary>
+        Unknown,
+
+        /// <summary>
+        /// The application is using a file that must be replaced, the system is being serviced, or system resources are exhausted.
+        /// </summary>
+        CloseApplication,
+
+        /// <summary>
+        /// The application is forced to shut down.
+        /// </summary>
+        Critical = 0x40000000,
+
+        /// <summary>
+        /// The user is logging off.
+        /// </summary>
+        Logoff = unchecked((int)0x80000000)
+    }
+
+    /// <summary>
+    /// The available actions for <see cref="IDefaultBootstrapperApplication.ApplyComplete"/>.
+    /// </summary>
+    public enum BOOTSTRAPPER_APPLYCOMPLETE_ACTION
+    {
+        /// <summary>
+        /// Instructs the engine to not take any special action.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Instructs the engine to restart.
+        /// The engine will not launch again after the machine is rebooted.
+        /// Ignored if reboot was already initiated by <see cref="IDefaultBootstrapperApplication.ExecutePackageComplete"/>.
+        /// </summary>
+        Restart,
+    }
+
+    /// <summary>
+    /// The cache strategy to be used for the package.
+    /// </summary>
+    public enum BOOTSTRAPPER_CACHE_TYPE
+    {
+        /// <summary>
+        /// The package will be cached in order to securely run the package, but will always be cleaned from the cache at the end.
+        /// </summary>
+        Remove,
+
+        /// <summary>
+        /// The package will be cached in order to run the package, and then kept in the cache until the package is uninstalled.
+        /// </summary>
+        Keep,
+
+        /// <summary>
+        /// The package will always be cached and stay in the cache, unless the package and bundle are both being uninstalled.
+        /// </summary>
+        Force,
+    }
+
+    /// <summary>
+    /// The available actions for <see cref="IDefaultBootstrapperApplication.CacheAcquireComplete"/>.
+    /// </summary>
+    public enum BOOTSTRAPPER_CACHEACQUIRECOMPLETE_ACTION
+    {
+        /// <summary>
+        /// Instructs the engine to not take any special action.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Instructs the engine to try the acquisition of the payload again.
+        /// Ignored if hrStatus is a success.
+        /// </summary>
+        Retry,
+    }
+
+    /// <summary>
+    /// The available actions for <see cref="IDefaultBootstrapperApplication.CachePackageComplete"/>.
+    /// </summary>
+    public enum BOOTSTRAPPER_CACHEPACKAGECOMPLETE_ACTION
+    {
+        /// <summary>
+        /// Instructs the engine to not take any special action.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Instructs the engine to ignore non-vital package failures and continue with the caching.
+        /// Ignored if hrStatus is a success or the package is vital.
+        /// </summary>
+        Ignore,
+
+        /// <summary>
+        /// Instructs the engine to try the acquisition and verification of the package again.
+        /// Ignored if hrStatus is a success.
+        /// </summary>
+        Retry,
+    }
+
+    /// <summary>
+    /// The available actions for <see cref="IDefaultBootstrapperApplication.CachePackageNonVitalValidationFailure"/>
+    /// </summary>
+    public enum BOOTSTRAPPER_CACHEPACKAGENONVITALVALIDATIONFAILURE_ACTION
+    {
+        /// <summary>
+        /// Instructs the engine to not take any special action.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Instructs the engine to try to acquire the package so execution can use it.
+        /// Most of the time this is used for installing the package during rollback.
+        /// </summary>
+        Acquire,
+    }
+
+    /// <summary>
+    /// The available actions for <see cref="IDefaultBootstrapperApplication.CacheVerifyComplete"/>.
+    /// </summary>
+    public enum BOOTSTRAPPER_CACHEVERIFYCOMPLETE_ACTION
+    {
+        /// <summary>
+        /// Instructs the engine to not take any special action.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Ignored if hrStatus is a success.
+        /// </summary>
+        RetryVerification,
+
+        /// <summary>
+        /// Ignored if hrStatus is a success.
+        /// </summary>
+        RetryAcquisition,
+    }
+
+    /// <summary>
+    /// The available actions for <see cref="IDefaultBootstrapperApplication.ExecutePackageComplete"/>.
+    /// </summary>
+    public enum BOOTSTRAPPER_EXECUTEPACKAGECOMPLETE_ACTION
+    {
+        /// <summary>
+        /// Instructs the engine to not take any special action.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Instructs the engine to ignore non-vital package failures and continue with the install.
+        /// Ignored if hrStatus is a success or the package is vital.
+        /// </summary>
+        Ignore,
+
+        /// <summary>
+        /// Instructs the engine to try the execution of the package again.
+        /// Ignored if hrStatus is a success.
+        /// </summary>
+        Retry,
+
+        /// <summary>
+        /// Instructs the engine to stop processing the chain and restart.
+        /// The engine will launch again after the machine is restarted.
+        /// </summary>
+        Restart,
+
+        /// <summary>
+        /// Instructs the engine to stop processing the chain and suspend the current state.
+        /// </summary>
+        Suspend,
+    }
+
+    /// <summary>
+    /// The available actions for <see cref="IDefaultBootstrapperApplication.CommitMsiTransactionComplete"/> and <see cref="IDefaultBootstrapperApplication.RollbackMsiTransactionComplete"/>.
+    /// </summary>
+    public enum BOOTSTRAPPER_EXECUTEMSITRANSACTIONCOMPLETE_ACTION
+    {
+        /// <summary>
+        /// Instructs the engine to not take any special action.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Instructs the engine to stop processing the chain and restart.
+        /// The engine will launch again after the machine is restarted.
+        /// </summary>
+        Restart,
+    };
+
+    /// <summary>
+    /// The available actions for <see cref="IDefaultBootstrapperApplication.ExecuteProcessCancel"/>.
+    /// </summary>
+    public enum BOOTSTRAPPER_EXECUTEPROCESSCANCEL_ACTION
+    {
+        /// <summary>
+        /// Instructs the engine to stop waiting for the process to exit.
+        /// The package is immediately considered to have failed with ERROR_INSTALL_USEREXIT.
+        /// The engine will never rollback the package.
+        /// </summary>
+        Abandon,
+
+        /// <summary>
+        /// Instructs the engine to wait for the process to exit.
+        /// Once the process has exited, the package is considered to have failed with ERROR_INSTALL_USEREXIT.
+        /// This allows the engine to rollback the package if necessary.
+        /// </summary>
+        Wait,
+    }
+
+    /// <summary>
+    /// The result of evaluating a condition from a package.
+    /// </summary>
+    public enum BOOTSTRAPPER_PACKAGE_CONDITION_RESULT
+    {
+        /// <summary>
+        /// No condition was authored.
+        /// </summary>
+        Default,
+
+        /// <summary>
+        /// Evaluated to false.
+        /// </summary>
+        False,
+
+        /// <summary>
+        /// Evaluated to true.
+        /// </summary>
+        True,
+    }
+
+    /// <summary>
+    /// The available actions for <see cref="IDefaultBootstrapperApplication.CacheAcquireResolving"/>.
+    /// </summary>
+    public enum BOOTSTRAPPER_RESOLVESOURCE_ACTION
+    {
+        /// <summary>
+        /// Instructs the engine that the source can't be found.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Instructs the engine to try the local source again.
+        /// </summary>
+        Retry,
+
+        /// <summary>
+        /// Instructs the engine to try the download source.
+        /// </summary>
+        Download,
+    }
+
+    /// <summary>
+    /// The available actions for <see cref="IDefaultBootstrapperApplication.Shutdown"/>.
+    /// </summary>
+    public enum BOOTSTRAPPER_SHUTDOWN_ACTION
+    {
+        /// <summary>
+        /// Instructs the engine to not take any special action.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Instructs the engine to restart.
+        /// The engine will not launch again after the machine is rebooted.
+        /// Ignored if reboot was already initiated by <see cref="IDefaultBootstrapperApplication.ExecutePackageComplete"/>.
+        /// </summary>
+        Restart,
+
+        /// <summary>
+        /// Instructs the engine to unload the bootstrapper application and
+        /// restart the engine which will load the bootstrapper application again.
+        /// Typically used to switch from a native bootstrapper application to a managed one.
+        /// </summary>
+        ReloadBootstrapper,
+
+        /// <summary>
+        /// Opts out of the engine behavior of trying to uninstall itself when no non-permanent packages are installed.
+        /// </summary>
+        SkipCleanup,
+    }
+
+    /// <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
+    {
+        /// <summary>
+        /// No property will be added.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Add BURNMSIINSTALL=1
+        /// </summary>
+        Install,
+
+        /// <summary>
+        /// Add BURNMSIMODFIY=1
+        /// </summary>
+        Modify,
+
+        /// <summary>
+        /// Add BURNMSIREPAIR=1
+        /// </summary>
+        Repair,
+
+        /// <summary>
+        /// Add BURNMSIUNINSTALL=1
+        /// </summary>
+        Uninstall,
+    }
+
+    /// <summary>
+    /// From msi.h
+    /// https://docs.microsoft.com/en-us/windows/win32/api/msi/nf-msi-msisetinternalui
+    /// </summary>
+    [Flags]
+    public enum INSTALLUILEVEL
+    {
+        /// <summary>
+        /// UI level is unchanged
+        /// </summary>
+        NoChange = 0,
+
+        /// <summary>
+        /// default UI is used
+        /// </summary>
+        Default = 1,
+
+        /// <summary>
+        /// completely silent installation
+        /// </summary>
+        None = 2,
+
+        /// <summary>
+        /// simple progress and error handling
+        /// </summary>
+        Basic = 3,
+
+        /// <summary>
+        /// authored UI, wizard dialogs suppressed
+        /// </summary>
+        Reduced = 4,
+
+        /// <summary>
+        /// authored UI with wizards, progress, errors
+        /// </summary>
+        Full = 5,
+
+        /// <summary>
+        /// display success/failure dialog at end of install
+        /// </summary>
+        EndDialog = 0x80,
+
+        /// <summary>
+        /// display only progress dialog
+        /// </summary>
+        ProgressOnly = 0x40,
+
+        /// <summary>
+        /// do not display the cancel button in basic UI
+        /// </summary>
+        HideCancel = 0x20,
+
+        /// <summary>
+        /// force display of source resolution even if quiet
+        /// </summary>
+        SourceResOnly = 0x100,
+
+        /// <summary>
+        /// show UAC prompt even if quiet
+        /// Can only be used if on Windows Installer 5.0 or later
+        /// </summary>
+        UacOnly = 0x200,
+    }
+}
-- 
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