text: function _classCallCheck(instance, Constructor) {
      if (!(instance instanceof Constructor)) throw new TypeError("Cannot call a class as a function");
  }
  function _getPrototypeOf(o) {
      return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
          return o.__proto__ || Object.getPrototypeOf(o);
      }, _getPrototypeOf(o);
  }
  function _inherits(subClass, superClass) {
      if ("function" != typeof superClass && null !== superClass) throw new TypeError("Super expression must either be null or a function");
      subClass.prototype = Object.create(superClass && superClass.prototype, {
          constructor: {
              value: subClass,
              writable: !0,
              configurable: !0
          }
      }), superClass && _setPrototypeOf(subClass, superClass);
  }
  function _setPrototypeOf(o, p) {
      return _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
          return o.__proto__ = p, o;
      }, _setPrototypeOf(o, p);
  }
  function _createSuper(Derived) {
      var hasNativeReflectConstruct = function() {
          if ("undefined" == typeof Reflect || !Reflect.construct) return !1;
          if (Reflect.construct.sham) return !1;
          if ("function" == typeof Proxy) return !0;
          try {
              return Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function() {
              })), !0;
          } catch (e) {
              return !1;
          }
      }();
      return function() {
          var obj, self, call, result, Super = _getPrototypeOf(Derived);
          if (hasNativeReflectConstruct) {
              var NewTarget = _getPrototypeOf(this).constructor;
              result = Reflect.construct(Super, arguments, NewTarget);
          } else result = Super.apply(this, arguments);
          return self = this, (call = result) && ("object" == ((obj = call) && "undefined" != typeof Symbol && obj.constructor === Symbol ? "symbol" : typeof obj) || "function" == typeof call) ? call : (function(self) {
              if (void 0 === self) throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
              return self;
          })(self);
      };
  }
  var r1arg1, r2arg1, r3arg1, r4arg1, r5arg1, r6arg1, r7arg1, r8arg1, r9arg1, r10arg1, r11arg1, r12arg1, r13arg1, r14arg1, r15arg1, r16arg1, r17arg1, r18arg1, Base1 = function() {
      "use strict";
      _classCallCheck(this, Base1);
  }, Derived1 = function(Base) {
      "use strict";
      _inherits(Derived1, Base);
      var _super = _createSuper(Derived1);
      function Derived1() {
          return _classCallCheck(this, Derived1), _super.apply(this, arguments);
      }
      return Derived1;
  }(Base1), Derived2 = function(Derived) {
      "use strict";
      _inherits(Derived2, Derived);
      var _super = _createSuper(Derived2);
      function Derived2() {
          return _classCallCheck(this, Derived2), _super.apply(this, arguments);
      }
      return Derived2;
  }(Derived1), OtherDerived = function(Base) {
      "use strict";
      _inherits(OtherDerived, Base);
      var _super = _createSuper(OtherDerived);
      function OtherDerived() {
          return _classCallCheck(this, OtherDerived), _super.apply(this, arguments);
      }
      return OtherDerived;
  }(Base1);
  foo1(r1arg1), foo2(r2arg1), foo3(r3arg1), foo4(r4arg1), foo5(r5arg1), foo6(r6arg1), foo7(r7arg1), foo8(r8arg1), foo9(r9arg1), foo10(r10arg1), foo11(r11arg1), foo12(r12arg1), foo13(r13arg1), foo14(r14arg1), foo15(r15arg1), foo16(r16arg1), foo17(r17arg1), foo18(r18arg1);
  