From 8c0222a4811a425bc7d67741668a8e512d951491 Mon Sep 17 00:00:00 2001
From: Cassandra Choi <cassc@google.com>
Date: Tue, 17 Sep 2024 20:15:19 +0000
Subject: [PATCH] fix(cdk/tree): update API goldens

---
 tools/public_api_guard/cdk/tree.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/public_api_guard/cdk/tree.md b/tools/public_api_guard/cdk/tree.md
index b875f809c71c..160c815b3cf1 100644
--- a/tools/public_api_guard/cdk/tree.md
+++ b/tools/public_api_guard/cdk/tree.md
@@ -27,6 +27,7 @@ import { TrackByFunction } from '@angular/core';
 import { TreeKeyManagerItem } from '@angular/cdk/a11y';
 import { TreeKeyManagerStrategy } from '@angular/cdk/a11y';
 import { ViewContainerRef } from '@angular/core';
+import { WritableSignal } from '@angular/core';
 
 // @public @deprecated
 export abstract class BaseTreeControl<T, K = T> implements TreeControl<T, K> {
@@ -202,7 +203,7 @@ export class CdkTreeNode<T, K = T> implements OnDestroy, OnInit, TreeKeyManagerI
     // (undocumented)
     _setActiveItem(): void;
     // (undocumented)
-    protected _tabindex: number | null;
+    protected readonly _tabindex: WritableSignal<number | null>;
     // (undocumented)
     protected _tree: CdkTree<T, K>;
     typeaheadLabel: string | null;