text: function _assertThisInitialized(self) {
      if (self === void 0) {
          throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
      }
      return self;
  }
  function _classCallCheck(instance, Constructor) {
      if (!(instance instanceof Constructor)) {
          throw new TypeError("Cannot call a class as a function");
      }
  }
  function _getPrototypeOf(o) {
      _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
          return o.__proto__ || Object.getPrototypeOf(o);
      };
      return _getPrototypeOf(o);
  }
  function _inherits(subClass, superClass) {
      if (typeof superClass !== "function" && superClass !== null) {
          throw new TypeError("Super expression must either be null or a function");
      }
      subClass.prototype = Object.create(superClass && superClass.prototype, {
          constructor: {
              value: subClass,
              writable: true,
              configurable: true
          }
      });
      if (superClass) _setPrototypeOf(subClass, superClass);
  }
  function _possibleConstructorReturn(self, call) {
      if (call && (_typeof(call) === "object" || typeof call === "function")) {
          return call;
      }
      return _assertThisInitialized(self);
  }
  function _setPrototypeOf(o, p) {
      _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
          o.__proto__ = p;
          return o;
      };
      return _setPrototypeOf(o, p);
  }
  var _typeof = function(obj) {
      return obj && typeof Symbol !== "undefined" && obj.constructor === Symbol ? "symbol" : typeof obj;
  };
  function _isNativeReflectConstruct() {
      if (typeof Reflect === "undefined" || !Reflect.construct) return false;
      if (Reflect.construct.sham) return false;
      if (typeof Proxy === "function") return true;
      try {
          Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function() {
          }));
          return true;
      } catch (e) {
          return false;
      }
  }
  function _createSuper(Derived) {
      var hasNativeReflectConstruct = _isNativeReflectConstruct();
      return function _createSuperInternal() {
          var Super = _getPrototypeOf(Derived), result;
          if (hasNativeReflectConstruct) {
              var NewTarget = _getPrototypeOf(this).constructor;
              result = Reflect.construct(Super, arguments, NewTarget);
          } else {
              result = Super.apply(this, arguments);
          }
          return _possibleConstructorReturn(this, result);
      };
  }
  var Base = function Base() {
      "use strict";
      _classCallCheck(this, Base);
  };
  var Derived1 = /*#__PURE__*/ function(Base) {
      "use strict";
      _inherits(Derived1, Base);
      var _super = _createSuper(Derived1);
      function Derived1() {
          _classCallCheck(this, Derived1);
          return _super.apply(this, arguments);
      }
      return Derived1;
  }(Base);
  var a1;
  var b1;
  var a2;
  var b2;
  var a3;
  var b3;
  var a4;
  var b4;
  // operator <
  var r1a1 = a1 < b1;
  var r1a1 = a2 < b2;
  var r1a1 = a3 < b3;
  var r1a1 = a4 < b4;
  var r1b1 = b1 < a1;
  var r1b1 = b2 < a2;
  var r1b1 = b3 < a3;
  var r1b1 = b4 < a4;
  // operator >
  var r2a1 = a1 > b1;
  var r2a1 = a2 > b2;
  var r2a1 = a3 > b3;
  var r2a1 = a4 > b4;
  var r2b1 = b1 > a1;
  var r2b1 = b2 > a2;
  var r2b1 = b3 > a3;
  var r2b1 = b4 > a4;
  // operator <=
  var r3a1 = a1 <= b1;
  var r3a1 = a2 <= b2;
  var r3a1 = a3 <= b3;
  var r3a1 = a4 <= b4;
  var r3b1 = b1 <= a1;
  var r3b1 = b2 <= a2;
  var r3b1 = b3 <= a3;
  var r3b1 = b4 <= a4;
  // operator >=
  var r4a1 = a1 >= b1;
  var r4a1 = a2 >= b2;
  var r4a1 = a3 >= b3;
  var r4a1 = a4 >= b4;
  var r4b1 = b1 >= a1;
  var r4b1 = b2 >= a2;
  var r4b1 = b3 >= a3;
  var r4b1 = b4 >= a4;
  // operator ==
  var r5a1 = a1 == b1;
  var r5a1 = a2 == b2;
  var r5a1 = a3 == b3;
  var r5a1 = a4 == b4;
  var r5b1 = b1 == a1;
  var r5b1 = b2 == a2;
  var r5b1 = b3 == a3;
  var r5b1 = b4 == a4;
  // operator !=
  var r6a1 = a1 != b1;
  var r6a1 = a2 != b2;
  var r6a1 = a3 != b3;
  var r6a1 = a4 != b4;
  var r6b1 = b1 != a1;
  var r6b1 = b2 != a2;
  var r6b1 = b3 != a3;
  var r6b1 = b4 != a4;
  // operator ===
  var r7a1 = a1 === b1;
  var r7a1 = a2 === b2;
  var r7a1 = a3 === b3;
  var r7a1 = a4 === b4;
  var r7b1 = b1 === a1;
  var r7b1 = b2 === a2;
  var r7b1 = b3 === a3;
  var r7b1 = b4 === a4;
  // operator !==
  var r8a1 = a1 !== b1;
  var r8a1 = a2 !== b2;
  var r8a1 = a3 !== b3;
  var r8a1 = a4 !== b4;
  var r8b1 = b1 !== a1;
  var r8b1 = b2 !== a2;
  var r8b1 = b3 !== a3;
  var r8b1 = b4 !== a4;
  