From eae2ca1b4161a3284d044aad69d2d3f2eb7421c7 Mon Sep 17 00:00:00 2001
From: Derek Clair <derek@derekclair.com>
Date: Thu, 26 Apr 2018 16:17:01 -0600
Subject: [PATCH] Update index.d.ts (#25313)

Added `async` and `defer` as optional properties of the `<Helmet>` component.
---
 types/react-helmet/index.d.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/types/react-helmet/index.d.ts b/types/react-helmet/index.d.ts
index 57ac67f2a7..93b83075fe 100644
--- a/types/react-helmet/index.d.ts
+++ b/types/react-helmet/index.d.ts
@@ -7,9 +7,11 @@
 import * as React from "react";
 
 export interface HelmetProps {
+    async?: boolean;
     base?: any;
     bodyAttributes?: Object;
     defaultTitle?: string;
+    defer?: boolean;
     encodeSpecialCharacters?: boolean;
     htmlAttributes?: any;
     onChangeClientState?: (newState: any) => void;