=== tests/cases/compiler/consumer.ts ===
import x = require('./foo');
>x : typeof x

x.Y // .ts should be picked
>x.Y : number
>x : typeof x
>Y : number

=== tests/cases/compiler/foo.ts ===
module M2 {
>M2 : typeof M2

    export var Y = 1;
>Y : number
}
export = M2
>M2 : typeof M2