text: //// [genericTypeAssertions6.js]
  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 A = (function () {
      function A(x) {
          var y = x;
          var z = x;
      }
      A.prototype.f = function (x, y) {
          x = y;
          y = x;
      };
      return A;
  })();
  
  var B = (function (_super) {
      __extends(B, _super);
      function B() {
          _super.apply(this, arguments);
      }
      B.prototype.g = function (x) {
          var a = x;
          var b = x;
          var c = new Date();
          var d = new Date();
          var e = new Date();
      };
      return B;
  })(A);
  
  var b;
  var c = b;
  