text: //// [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; }
      d.prototype = b === null ? Object.create(b) : (__.prototype = b.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);
  