From 8ebc728c41a2d391e12b3c38f2afe14f82808727 Mon Sep 17 00:00:00 2001
From: Jayson Maxson <jmaxson@ntdev.microsoft.com>
Date: Mon, 9 Mar 2026 12:41:08 -0700
Subject: [PATCH 1/2] Empty


From fa464fdfa789ea9fc1f92b9f7a28aa9241665487 Mon Sep 17 00:00:00 2001
From: Jayson Maxson <jmaxson@ntdev.microsoft.com>
Date: Mon, 9 Mar 2026 12:45:10 -0700
Subject: [PATCH 2/2] Fix WithHierarchicalToggle

---
 .../ColumnBuilding/Builders/ToggledColumnBuilder.cs  | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/Microsoft.Performance.SDK.Runtime/ColumnBuilding/Builders/ToggledColumnBuilder.cs b/src/Microsoft.Performance.SDK.Runtime/ColumnBuilding/Builders/ToggledColumnBuilder.cs
index cf610a7f..41869eb2 100644
--- a/src/Microsoft.Performance.SDK.Runtime/ColumnBuilding/Builders/ToggledColumnBuilder.cs
+++ b/src/Microsoft.Performance.SDK.Runtime/ColumnBuilding/Builders/ToggledColumnBuilder.cs
@@ -1,4 +1,4 @@
-// Copyright (c) Microsoft Corporation.
+// Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
 using System;
@@ -69,7 +69,7 @@ public override ToggleableColumnBuilder WithToggle<T>(
                     new DataColumn<T>(
                         new ColumnConfiguration(this.baseColumn.Configuration)
                         {
-                            Metadata = new ColumnMetadata(this.baseColumn.Configuration.Metadata) { Name = toggleDescriptor.Properties.ColumnName ?? this.baseColumn.Configuration.Metadata.Name},
+                            Metadata = new ColumnMetadata(this.baseColumn.Configuration.Metadata) { Name = toggleDescriptor.Properties.ColumnName ?? this.baseColumn.Configuration.Metadata.Name },
                         },
                         projection))
             ).ToList(),
@@ -88,17 +88,17 @@ public override ToggleableColumnBuilder WithHierarchicalToggle<T>(
         Guard.NotNull(collectionProvider, nameof(collectionProvider));
 
         return new ToggledColumnBuilder(
-            [
+            this.toggles.Append(
                 new AddedToggle(
                     toggleDescriptor,
                     new HierarchicalDataColumn<T>(
                         new ColumnConfiguration(this.baseColumn.Configuration)
                         {
-                            Metadata = new ColumnMetadata(this.baseColumn.Configuration.Metadata) { Name = toggleDescriptor.Properties.ColumnName ?? this.baseColumn.Configuration.Metadata.Name},
+                            Metadata = new ColumnMetadata(this.baseColumn.Configuration.Metadata) { Name = toggleDescriptor.Properties.ColumnName ?? this.baseColumn.Configuration.Metadata.Name },
                         },
                         projection,
-                        collectionProvider)),
-            ],
+                        collectionProvider))
+                ).ToList(),
             baseColumn,
             processor);
     }