=== tests/cases/compiler/file2.ts ===
import appJs = require("file1");
>appJs : typeof appJs

import Services = appJs.Services;
>Services : typeof appJs.Services
>appJs : typeof appJs
>Services : typeof appJs.Services

import UserServices = Services.UserServices;
>UserServices : typeof Services.UserServices
>Services : typeof appJs.Services
>UserServices : Services.UserServices

var x = new UserServices().getUserName();
>x : string
>new UserServices().getUserName() : string
>new UserServices().getUserName : () => string
>new UserServices() : Services.UserServices
>UserServices : typeof Services.UserServices
>getUserName : () => string

=== tests/cases/compiler/file1.ts ===
module App {
>App : typeof App

    export module Services {
>Services : typeof Services

        export class UserServices {
>UserServices : UserServices

            public getUserName(): string {
>getUserName : () => string

                return "Bill Gates";
>"Bill Gates" : string
            }
        }
    }
}

import Mod = App;
>Mod : typeof App
>App : typeof App

export = Mod;
>Mod : typeof App