text: //// [extendBaseClassBeforeItsDeclared.ts]
  class derived extends base { }
   
  class base { constructor (public n: number) { } }
  
  //// [extendBaseClassBeforeItsDeclared.js]
  var __extends = (this && this.__extends) || (function () {
      var extendStatics = Object.setPrototypeOf ||
          ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
          function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
      return function (d, b) {
          extendStatics(d, b);
          function __() { this.constructor = d; }
          d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
      };
  })();
  var derived = (function (_super) {
      __extends(derived, _super);
      function derived() {
          return _super.apply(this, arguments) || this;
      }
      return derived;
  }(base));
  var base = (function () {
      function base(n) {
          this.n = n;
      }
      return base;
  }());
  