==== tests/cases/compiler/typeofAmbientExternalModules_2.ts (2 errors) ====
    ///<reference path='typeofAmbientExternalModules_0.ts'/>
    ///<reference path='typeofAmbientExternalModules_1.ts'/>
    import ext = require('typeofAmbientExternalModules_0');
    import exp = require('typeofAmbientExternalModules_1');
    
    var y1: typeof ext = ext;
    y1 = exp;
    ~~
!!! Type 'typeof D' is not assignable to type 'typeof "tests/cases/compiler/typeofAmbientExternalModules_0"':
!!!   Property 'C' is missing in type 'typeof D'.
    var y2: typeof exp = exp;
    y2 = ext;
    ~~
!!! Type 'typeof "tests/cases/compiler/typeofAmbientExternalModules_0"' is not assignable to type 'typeof D':
!!!   Property 'prototype' is missing in type 'typeof "tests/cases/compiler/typeofAmbientExternalModules_0"'.
==== tests/cases/compiler/typeofAmbientExternalModules_0.ts (0 errors) ====
    export class C { foo: string; }
    
==== tests/cases/compiler/typeofAmbientExternalModules_1.ts (0 errors) ====
    class D { bar: string; }
    export = D;