From 9ab41a4464e62739fa8850d2aa312de2f72eb20d Mon Sep 17 00:00:00 2001
From: Johannes Rieken <johannes.rieken@gmail.com>
Date: Tue, 3 Jul 2018 11:38:45 +0200
Subject: [PATCH] :lipstick:

---
 src/vs/base/common/async.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/vs/base/common/async.ts b/src/vs/base/common/async.ts
index b1f1fbb14eb..aa4da71edc6 100644
--- a/src/vs/base/common/async.ts
+++ b/src/vs/base/common/async.ts
@@ -57,10 +57,10 @@ export function createCancelablePromise<T>(callback: (token: CancellationToken)
 		cancel() {
 			source.cancel();
 		}
-		then(resolve, reject) {
+		then<TResult1 = T, TResult2 = never>(resolve?: ((value: T) => TResult1 | Thenable<TResult1>) | undefined | null, reject?: ((reason: any) => TResult2 | Thenable<TResult2>) | undefined | null): Promise<TResult1 | TResult2> {
 			return promise.then(resolve, reject);
 		}
-		catch(reject) {
+		catch<TResult = never>(reject?: ((reason: any) => TResult | Thenable<TResult>) | undefined | null): Promise<T | TResult> {
 			return this.then(undefined, reject);
 		}
 	};