=== tests/cases/compiler/B.ts ===
///<reference path="A.ts" />
module A { ; }
>A : typeof A

module B {
>B : typeof B

	export function f(): A.I { return null; }
>f : () => A.I
>A : unknown
>I : A.I
}


=== tests/cases/compiler/A.ts ===

module A { export interface I {} }
>A : typeof A
>I : I