=== tests/cases/compiler/cloduleTest1.ts ===
  declare function $(selector: string): $;  
>$ : typeof $
>selector : string
>$ : $

  interface $ {
>$ : $

      addClass(className: string): $;
>addClass : (className: string) => $
>className : string
>$ : $
  }
  module $ {
>$ : typeof $

    export interface AjaxSettings {
>AjaxSettings : AjaxSettings
    }
    export function ajax(options: AjaxSettings) { }
>ajax : (options: AjaxSettings) => void
>options : AjaxSettings
>AjaxSettings : AjaxSettings
  }
  var it: $ = $('.foo').addClass('bar');
>it : $
>$ : $
>$('.foo').addClass('bar') : $
>$('.foo').addClass : (className: string) => $
>$('.foo') : $
>$ : typeof $
>'.foo' : string
>addClass : (className: string) => $
>'bar' : string