From 52ce9d5dcbcce6b54c84b74440ceb54fb20a36e0 Mon Sep 17 00:00:00 2001
From: Fabian Wiles <fabianwiles@live.com>
Date: Wed, 13 Jun 2018 20:34:48 +1200
Subject: [PATCH] feat(core): KeyValueDiffer#diff allows null values (#24319)

PR Close #24319
---
 tools/public_api_guard/core/core.d.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/public_api_guard/core/core.d.ts b/tools/public_api_guard/core/core.d.ts
index 7c6a03a6e3..a522d23f7f 100644
--- a/tools/public_api_guard/core/core.d.ts
+++ b/tools/public_api_guard/core/core.d.ts
@@ -468,10 +468,10 @@ export interface KeyValueChanges<K, V> {
 }
 
 export interface KeyValueDiffer<K, V> {
-    diff(object: Map<K, V>): KeyValueChanges<K, V>;
+    diff(object: Map<K, V>): KeyValueChanges<K, V> | null;
     diff(object: {
         [key: string]: V;
-    }): KeyValueChanges<string, V>;
+    }): KeyValueChanges<string, V> | null;
 }
 
 export interface KeyValueDifferFactory {