staticInstanceResolution3_0.ts(3,9): error TS2322: Type 'null' is not assignable to type 'Promise'.


==== staticInstanceResolution3_1.ts (0 errors) ====
    ///<reference path='staticInstanceResolution3_0.ts'/>
    import WinJS = require('./staticInstanceResolution3_0');
    WinJS.Promise.timeout(10);
==== staticInstanceResolution3_0.ts (1 errors) ====
    export class Promise {
        static timeout(delay: number): Promise {
            return null;
            ~~~~~~
!!! error TS2322: Type 'null' is not assignable to type 'Promise'.
        }
    }
    