//// [declareDottedExtend.ts] declare module A.B { export class C{ } } import ab = A.B; class D extends ab.C{ } class E extends A.B.C{ } //// [declareDottedExtend.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 ab = A.B; var D = (function (_super) { __extends(D, _super); function D() { _super.apply(this, arguments); } return D; })(ab.C); var E = (function (_super) { __extends(E, _super); function E() { _super.apply(this, arguments); } return E; })(A.B.C);