text: //// [constructorParameterProperties.js]
  var C = (function () {
      function C(x) {
          this.x = x;
      }
      return C;
  })();
  
  var c;
  var r = c.y;
  var r2 = c.x;
  
  var D = (function () {
      function D(a, x) {
          this.x = x;
      }
      return D;
  })();
  
  var d;
  var r = d.y;
  var r2 = d.x;
  var r3 = d.a; // error
  