typeofExternalModules_core.ts(5,1): error TS2741: Property 'C' is missing in type 'typeof D' but required in type 'typeof import("typeofExternalModules_external")'.
typeofExternalModules_core.ts(7,1): error TS2741: Property 'prototype' is missing in type 'typeof import("typeofExternalModules_external")' but required in type 'typeof D'.


==== typeofExternalModules_core.ts (2 errors) ====
    import ext = require('./typeofExternalModules_external');
    import exp = require('./typeofExternalModules_exportAssign');
    
    var y1: typeof ext = ext;
    y1 = exp;
    ~~
!!! error TS2741: Property 'C' is missing in type 'typeof D' but required in type 'typeof import("typeofExternalModules_external")'.
!!! related TS2728 typeofExternalModules_external.ts:1:14: 'C' is declared here.
    var y2: typeof exp = exp;
    y2 = ext;
    ~~
!!! error TS2741: Property 'prototype' is missing in type 'typeof import("typeofExternalModules_external")' but required in type 'typeof D'.
==== typeofExternalModules_external.ts (0 errors) ====
    export class C { }
    
==== typeofExternalModules_exportAssign.ts (0 errors) ====
    class D { }
    export = D;