text: import * as swcHelpers from "@swc/helpers";
  var C = function C() {
      "use strict";
      swcHelpers.classCallCheck(this, C);
      super(); // error
  };
  var D = function D(x) {
      "use strict";
      swcHelpers.classCallCheck(this, D);
      super(); // error
      this.x = x;
  };
  