1 files changed, 55 insertions, 0 deletions

diff --git a/src/wixext/Tuples/BalTupleDefinitions.cs b/src/wixext/Tuples/BalTupleDefinitions.cs
new file mode 100644
index 00000000..676db9f6
--- /dev/null
+++ b/src/wixext/Tuples/BalTupleDefinitions.cs
@@ -0,0 +1,55 @@
+// 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.Bal
+{
+    using System;
+    using WixToolset.Data;
+
+    public enum BalTupleDefinitionType
+    {
+        WixBalBAFunctions,
+        WixBalCondition,
+        WixMbaPrereqInformation,
+        WixStdbaOptions,
+        WixStdbaOverridableVariable,
+    }
+
+    public static partial class BalTupleDefinitions
+    {
+        public static readonly Version Version = new Version("4.0.0");
+
+        public static IntermediateTupleDefinition ByName(string name)
+        {
+            if (!Enum.TryParse(name, out BalTupleDefinitionType type))
+            {
+                return null;
+            }
+
+            return ByType(type);
+        }
+
+        public static IntermediateTupleDefinition ByType(BalTupleDefinitionType type)
+        {
+            switch (type)
+            {
+                case BalTupleDefinitionType.WixBalBAFunctions:
+                    return BalTupleDefinitions.WixBalBAFunctions;
+
+                case BalTupleDefinitionType.WixBalCondition:
+                    return BalTupleDefinitions.WixBalCondition;
+
+                case BalTupleDefinitionType.WixMbaPrereqInformation:
+                    return BalTupleDefinitions.WixMbaPrereqInformation;
+
+                case BalTupleDefinitionType.WixStdbaOptions:
+                    return BalTupleDefinitions.WixStdbaOptions;
+
+                case BalTupleDefinitionType.WixStdbaOverridableVariable:
+                    return BalTupleDefinitions.WixStdbaOverridableVariable;
+
+                default:
+                    throw new ArgumentOutOfRangeException(nameof(type));
+            }
+        }
+    }
+}