From ad4f0a18d9d220eba7a17fb733be7e39c5ee1f0c Mon Sep 17 00:00:00 2001
From: Chris Krycho <chris@chriskrycho.com>
Date: Tue, 5 Dec 2017 20:10:13 -0700
Subject: [PATCH] Ember: make lookup options optional

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

diff --git a/types/ember/index.d.ts b/types/ember/index.d.ts
index adef4e70c2..5e77e49233 100755
--- a/types/ember/index.d.ts
+++ b/types/ember/index.d.ts
@@ -300,7 +300,7 @@ declare module 'ember' {
             /**
              * Given a fullName return a corresponding instance.
              */
-            lookup(fullName: string, options: {}): any;
+            lookup(fullName: string, options?: {}): any;
         }
         const _ContainerProxyMixin: Mixin<_ContainerProxyMixin>;