From 04c52fd53836c16e87cff375944a240b30f0dcbd Mon Sep 17 00:00:00 2001
From: Mattias Buelens <mattias@buelens.com>
Date: Sun, 10 Jun 2018 00:28:38 +0200
Subject: [PATCH] Sink.write can return void or a promise

---
 types/whatwg-streams/index.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/types/whatwg-streams/index.d.ts b/types/whatwg-streams/index.d.ts
index cadcf346ca..c6d5ea893b 100644
--- a/types/whatwg-streams/index.d.ts
+++ b/types/whatwg-streams/index.d.ts
@@ -96,7 +96,7 @@ declare class ReadableStreamBYOBRequest<R = ArrayBufferView> {
 
 interface WritableStreamSink<W = ArrayBufferView> {
     start?(controller: WritableStreamDefaultController<W>): void | Promise<void>;
-    write?(chunk: W, controller?: WritableStreamDefaultController<W>): any;
+    write?(chunk: W, controller?: WritableStreamDefaultController<W>): void | Promise<void>;
     close?(controller: WritableStreamDefaultController<W>): void | Promise<void>;
     abort?(reason: any): void | Promise<void>;
 }