=== tests/cases/conformance/ambient/ambientExternalModuleMerging_use.ts ===
import M = require("M");
>M : typeof M

// Should be strings
var x = M.x;
>x : string
>M.x : string
>M : typeof M
>x : string

var y = M.y;
>y : string
>M.y : string
>M : typeof M
>y : string

=== tests/cases/conformance/ambient/ambientExternalModuleMerging_declare.ts ===
declare module "M" {
    export var x: string;
>x : string
}

// Merge
declare module "M" {
    export var y: string;
>y : string
}