text: import "core-js/modules/es.symbol";
  import "core-js/modules/es.symbol.description";
  import "core-js/modules/es.symbol.iterator";
  import "core-js/modules/es.array.concat";
  import "core-js/modules/es.array.iterator";
  import "core-js/modules/es.object.get-own-property-descriptor";
  import "core-js/modules/es.object.get-prototype-of";
  import "core-js/modules/es.object.to-string";
  import "core-js/modules/es.reflect.construct";
  import "core-js/modules/es.reflect.get";
  import "core-js/modules/es.regexp.to-string";
  import "core-js/modules/es.string.iterator";
  import "core-js/modules/web.dom-collections.iterator";
  
  function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
  
  function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
  
  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 _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
  
  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); }; }
  
  function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
  
  function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
  
  function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
  
  function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
  
  /**
   * @license
   * Copyright (c) 2020 Handsoncode. All rights reserved.
   */
  import { TinyEmitter } from 'tiny-emitter';
  export var Events;
  
  (function (Events) {
    Events["SheetAdded"] = "sheetAdded";
    Events["SheetRemoved"] = "sheetRemoved";
    Events["SheetRenamed"] = "sheetRenamed";
    Events["NamedExpressionAdded"] = "namedExpressionAdded";
    Events["NamedExpressionRemoved"] = "namedExpressionRemoved";
    Events["ValuesUpdated"] = "valuesUpdated";
  })(Events || (Events = {}));
  
  export var Emitter = /*#__PURE__*/function (_TinyEmitter) {
    _inherits(Emitter, _TinyEmitter);
  
    var _super = _createSuper(Emitter);
  
    function Emitter() {
      _classCallCheck(this, Emitter);
  
      return _super.apply(this, arguments);
    }
  
    _createClass(Emitter, [{
      key: "emit",
      value: function emit(event) {
        var _get2;
  
        for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
          args[_key - 1] = arguments[_key];
        }
  
        (_get2 = _get(_getPrototypeOf(Emitter.prototype), "emit", this)).call.apply(_get2, [this, event].concat(args));
  
        return this;
      }
    }]);
  
    return Emitter;
  }(TinyEmitter);