text: function C1() {
      if (!(this instanceof C1)) return new C1();
      this.x = 1;
  }
  C1(), new C1();
  var C2 = function() {
      if (!(this instanceof C2)) return new C2();
      this.x = 1;
  };
  function C3() {
      if (!(this instanceof C3)) return new C3();
  }
  C2(), new C2(), C3(), new C3();
  var C4 = function() {
      if (!(this instanceof C4)) return new C4();
  };
  C4(), new C4(), new class {
  }(), new function() {
      this.functions = [
          (x)=>x,
          (x)=>x + 1,
          (x)=>x - 1
      ];
  }();
  