//// [interfaceImplementation4.ts] interface I1 { iObj:{ }; iNum:number; iAny:any; iFn():void; } class C5 implements I1 { public iNum:number; public iAny:any; public iFn() { } } //// [interfaceImplementation4.js] var C5 = (function () { function C5() { } C5.prototype.iFn = function () { }; return C5; })();