text: import * as swcHelpers from "@swc/helpers";
  // @target: es6
  var C = function C(x) {
      "use strict";
      swcHelpers.classCallCheck(this, C);
  };
  var D = function D(x) {
      "use strict";
      var z = arguments.length > 1 && arguments[1] !== void 0 ? arguments[1] : "hello";
      swcHelpers.classCallCheck(this, D);
  };
  