From 8477fccea44b2c0b62e05a988bcc84c8d7749629 Mon Sep 17 00:00:00 2001
From: Federico Caselli <CaselIT@users.noreply.github.com>
Date: Fri, 28 Apr 2017 23:07:55 +0200
Subject: [PATCH] timeoutCallback is optional (#16197)
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Add an optional extended description…
---
 types/rwlock/index.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/types/rwlock/index.d.ts b/types/rwlock/index.d.ts
index 2a034b78c3..dd7e9d2c9d 100644
--- a/types/rwlock/index.d.ts
+++ b/types/rwlock/index.d.ts
@@ -19,7 +19,7 @@ declare namespace ReadWriteLock {
   interface Options {
     scope?: any;
     timeout?: number;
-    timeoutCallback(): void;
+    timeoutCallback?(): void;
   }
 }