=== /a/b/foo.d.ts ===

export declare let x: number
>x : Symbol(x, Decl(foo.d.ts, 1, 18))

=== /a/b/c/d/e/app.ts ===
import {x} from "foo";
>x : Symbol(x, Decl(app.ts, 0, 8))

=== /a/b/c/lib.ts ===
import {x} from "foo";
>x : Symbol(x, Decl(lib.ts, 0, 8))