=== tests/cases/compiler/modules.d.ts ===

declare module "a" {
    var a: number;
>a : Symbol(a, Decl(modules.d.ts, 2, 7))

    export = a;  // OK, in ambient context
>a : Symbol(a, Decl(modules.d.ts, 2, 7))
}

=== tests/cases/compiler/b.ts ===
import * as a from "a";
>a : Symbol(a, Decl(b.ts, 0, 6))