=== tests/cases/compiler/declareExternalModuleWithExportAssignedFundule.ts ===
declare module "express" {

    export = express;
>express : typeof express

    function express(): express.ExpressServer;
>express : typeof express
>express : any
>ExpressServer : express.ExpressServer

    module express {
>express : typeof express

        export interface ExpressServer {
>ExpressServer : ExpressServer

            enable(name: string): ExpressServer;
>enable : (name: string) => ExpressServer
>name : string
>ExpressServer : ExpressServer

            post(path: RegExp, handler: (req: Function) => void ): void;
>post : (path: RegExp, handler: (req: Function) => void) => void
>path : RegExp
>RegExp : RegExp
>handler : (req: Function) => void
>req : Function
>Function : Function

        }

        export class ExpressServerRequest {
>ExpressServerRequest : ExpressServerRequest

        }

    }

}