text: var __extends = 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 Z = (function () {
      function Z() {
      }
      Z.prototype.func = function () {
      };
      return Z;
  })();
  var Y = (function (_super) {
      __extends(Y, _super);
      function Y() {
          _super.apply(this, arguments);
      }
      Y.prototype.func = function (value) {
      };
      return Y;
  })(Z);
  