From e42df9fc79d3a6ecb23ee2583715a776ef416753 Mon Sep 17 00:00:00 2001
From: Hage Yaapa <hage.yaapa@in.ibm.com>
Date: Tue, 3 Mar 2020 20:09:34 +0530
Subject: [PATCH] chore: improve Listener signature

Improved Listener signature so it can accept callback or promise.
---
 types/observer-mixin.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/types/observer-mixin.d.ts b/types/observer-mixin.d.ts
index 81eb768b8..b39c61605 100644
--- a/types/observer-mixin.d.ts
+++ b/types/observer-mixin.d.ts
@@ -21,7 +21,7 @@ export interface OperationHookContext<T extends typeof ModelBase> {
 
 export type Listener<Ctx = OperationHookContext<typeof ModelBase>> = (
   ctx: Ctx, next: (err?: any) => void
-) => void;
+) => PromiseOrVoid<void>;
 
 export interface ObserverMixin {
   /**