//// [numericIndexerConstraint3.ts] class A { foo: number; } class B extends A { bar: string; } class C { 0: B; [x: number]: A; } //// [numericIndexerConstraint3.js] var __extends = (this && this.__extends) || function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; function __() { this.constructor = d; } __.prototype = b.prototype; d.prototype = new __(); }; var A = (function () { function A() { } return A; })(); var B = (function (_super) { __extends(B, _super); function B() { _super.apply(this, arguments); } return B; })(A); var C = (function () { function C() { } return C; })();