diff --git a/test.ts b/test.ts
index 138f368bbb7dcfd004aca3b429fe63bc1bf95e09..3f2f159d16700d3067fcc6903d065f3f2305e941 100644
--- a/test.ts
+++ b/test.ts
@@ -1,3 +1,5 @@
-export function test() {
-  return { a: 1, b: [1, 2, 3] }
+export function test(): JSONObject {
+  var res = { a: 1, b: [1, 2, 3] }
+  return res
 }
+type JSONObject = Record<string, any>