B.ts(1,20): error TS2307: Cannot find module 'A' or its corresponding type declarations.


==== B.ts (1 errors) ====
    import a = require('A');
                       ~~~
!!! error TS2307: Cannot find module 'A' or its corresponding type declarations.
    
    import A = a.A;
    
    export = A;
==== A.ts (0 errors) ====
    export class A {
    }