(function (global) {
  var babelHelpers = global.babelHelpers = {};

  function _typeof(obj) {
    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
      babelHelpers.typeof = _typeof = function (obj) {
        return typeof obj;
      };
    } else {
      babelHelpers.typeof = _typeof = function (obj) {
        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
      };
    }

    return _typeof(obj);
  }

  babelHelpers.typeof = _typeof;
  var REACT_ELEMENT_TYPE;

  function _createRawReactElement(type, props, key, children) {
    if (!REACT_ELEMENT_TYPE) {
      REACT_ELEMENT_TYPE = typeof Symbol === "function" && Symbol.for && Symbol.for("react.element") || 0xeac7;
    }

    var defaultProps = type && type.defaultProps;
    var childrenLength = arguments.length - 3;

    if (!props && childrenLength !== 0) {
      props = {
        children: void 0
      };
    }

    if (props && defaultProps) {
      for (var propName in defaultProps) {
        if (props[propName] === void 0) {
          props[propName] = defaultProps[propName];
        }
      }
    } else if (!props) {
      props = defaultProps || {};
    }

    if (childrenLength === 1) {
      props.children = children;
    } else if (childrenLength > 1) {
      var childArray = new Array(childrenLength);

      for (var i = 0; i < childrenLength; i++) {
        childArray[i] = arguments[i + 3];
      }

      props.children = childArray;
    }

    return {
      $$typeof: REACT_ELEMENT_TYPE,
      type: type,
      key: key === undefined ? null : '' + key,
      ref: null,
      props: props,
      _owner: null
    };
  }

  babelHelpers.jsx = _createRawReactElement;

  function _asyncIterator(iterable) {
    var method;

    if (typeof Symbol === "function") {
      if (Symbol.asyncIterator) {
        method = iterable[Symbol.asyncIterator];
        if (method != null) return method.call(iterable);
      }

      if (Symbol.iterator) {
        method = iterable[Symbol.iterator];
        if (method != null) return method.call(iterable);
      }
    }

    throw new TypeError("Object is not async iterable");
  }

  babelHelpers.asyncIterator = _asyncIterator;

  function _AwaitValue(value) {
    this.wrapped = value;
  }

  babelHelpers.AwaitValue = _AwaitValue;

  function AsyncGenerator(gen) {
    var front, back;

    function send(key, arg) {
      return new Promise(function (resolve, reject) {
        var request = {
          key: key,
          arg: arg,
          resolve: resolve,
          reject: reject,
          next: null
        };

        if (back) {
          back = back.next = request;
        } else {
          front = back = request;
          resume(key, arg);
        }
      });
    }

    function resume(key, arg) {
      try {
        var result = gen[key](arg);
        var value = result.value;
        var wrappedAwait = value instanceof babelHelpers.AwaitValue;
        Promise.resolve(wrappedAwait ? value.wrapped : value).then(function (arg) {
          if (wrappedAwait) {
            resume("next", arg);
            return;
          }

          settle(result.done ? "return" : "normal", arg);
        }, function (err) {
          resume("throw", err);
        });
      } catch (err) {
        settle("throw", err);
      }
    }

    function settle(type, value) {
      switch (type) {
        case "return":
          front.resolve({
            value: value,
            done: true
          });
          break;

        case "throw":
          front.reject(value);
          break;

        default:
          front.resolve({
            value: value,
            done: false
          });
          break;
      }

      front = front.next;

      if (front) {
        resume(front.key, front.arg);
      } else {
        back = null;
      }
    }

    this._invoke = send;

    if (typeof gen.return !== "function") {
      this.return = undefined;
    }
  }

  if (typeof Symbol === "function" && Symbol.asyncIterator) {
    AsyncGenerator.prototype[Symbol.asyncIterator] = function () {
      return this;
    };
  }

  AsyncGenerator.prototype.next = function (arg) {
    return this._invoke("next", arg);
  };

  AsyncGenerator.prototype.throw = function (arg) {
    return this._invoke("throw", arg);
  };

  AsyncGenerator.prototype.return = function (arg) {
    return this._invoke("return", arg);
  };

  babelHelpers.AsyncGenerator = AsyncGenerator;

  function _wrapAsyncGenerator(fn) {
    return function () {
      return new babelHelpers.AsyncGenerator(fn.apply(this, arguments));
    };
  }

  babelHelpers.wrapAsyncGenerator = _wrapAsyncGenerator;

  function _awaitAsyncGenerator(value) {
    return new babelHelpers.AwaitValue(value);
  }

  babelHelpers.awaitAsyncGenerator = _awaitAsyncGenerator;

  function _asyncGeneratorDelegate(inner, awaitWrap) {
    var iter = {},
        waiting = false;

    function pump(key, value) {
      waiting = true;
      value = new Promise(function (resolve) {
        resolve(inner[key](value));
      });
      return {
        done: false,
        value: awaitWrap(value)
      };
    }

    ;

    if (typeof Symbol === "function" && Symbol.iterator) {
      iter[Symbol.iterator] = function () {
        return this;
      };
    }

    iter.next = function (value) {
      if (waiting) {
        waiting = false;
        return value;
      }

      return pump("next", value);
    };

    if (typeof inner.throw === "function") {
      iter.throw = function (value) {
        if (waiting) {
          waiting = false;
          throw value;
        }

        return pump("throw", value);
      };
    }

    if (typeof inner.return === "function") {
      iter.return = function (value) {
        return pump("return", value);
      };
    }

    return iter;
  }

  babelHelpers.asyncGeneratorDelegate = _asyncGeneratorDelegate;

  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
    try {
      var info = gen[key](arg);
      var value = info.value;
    } catch (error) {
      reject(error);
      return;
    }

    if (info.done) {
      resolve(value);
    } else {
      Promise.resolve(value).then(_next, _throw);
    }
  }

  function _asyncToGenerator(fn) {
    return function () {
      var self = this,
          args = arguments;
      return new Promise(function (resolve, reject) {
        var gen = fn.apply(self, args);

        function _next(value) {
          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
        }

        function _throw(err) {
          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
        }

        _next(undefined);
      });
    };
  }

  babelHelpers.asyncToGenerator = _asyncToGenerator;

  function _classCallCheck(instance, Constructor) {
    if (!(instance instanceof Constructor)) {
      throw new TypeError("Cannot call a class as a function");
    }
  }

  babelHelpers.classCallCheck = _classCallCheck;

  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;
  }

  babelHelpers.createClass = _createClass;

  function _defineEnumerableProperties(obj, descs) {
    for (var key in descs) {
      var desc = descs[key];
      desc.configurable = desc.enumerable = true;
      if ("value" in desc) desc.writable = true;
      Object.defineProperty(obj, key, desc);
    }

    if (Object.getOwnPropertySymbols) {
      var objectSymbols = Object.getOwnPropertySymbols(descs);

      for (var i = 0; i < objectSymbols.length; i++) {
        var sym = objectSymbols[i];
        var desc = descs[sym];
        desc.configurable = desc.enumerable = true;
        if ("value" in desc) desc.writable = true;
        Object.defineProperty(obj, sym, desc);
      }
    }

    return obj;
  }

  babelHelpers.defineEnumerableProperties = _defineEnumerableProperties;

  function _defaults(obj, defaults) {
    var keys = Object.getOwnPropertyNames(defaults);

    for (var i = 0; i < keys.length; i++) {
      var key = keys[i];
      var value = Object.getOwnPropertyDescriptor(defaults, key);

      if (value && value.configurable && obj[key] === undefined) {
        Object.defineProperty(obj, key, value);
      }
    }

    return obj;
  }

  babelHelpers.defaults = _defaults;

  function _defineProperty(obj, key, value) {
    if (key in obj) {
      Object.defineProperty(obj, key, {
        value: value,
        enumerable: true,
        configurable: true,
        writable: true
      });
    } else {
      obj[key] = value;
    }

    return obj;
  }

  babelHelpers.defineProperty = _defineProperty;

  function _extends() {
    babelHelpers.extends = _extends = Object.assign || function (target) {
      for (var i = 1; i < arguments.length; i++) {
        var source = arguments[i];

        for (var key in source) {
          if (Object.prototype.hasOwnProperty.call(source, key)) {
            target[key] = source[key];
          }
        }
      }

      return target;
    };

    return _extends.apply(this, arguments);
  }

  babelHelpers.extends = _extends;

  function _objectSpread(target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i] != null ? arguments[i] : {};
      var ownKeys = Object.keys(source);

      if (typeof Object.getOwnPropertySymbols === 'function') {
        ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
          return Object.getOwnPropertyDescriptor(source, sym).enumerable;
        }));
      }

      ownKeys.forEach(function (key) {
        babelHelpers.defineProperty(target, key, source[key]);
      });
    }

    return target;
  }

  babelHelpers.objectSpread = _objectSpread;

  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) babelHelpers.setPrototypeOf(subClass, superClass);
  }

  babelHelpers.inherits = _inherits;

  function _inheritsLoose(subClass, superClass) {
    subClass.prototype = Object.create(superClass.prototype);
    subClass.prototype.constructor = subClass;
    subClass.__proto__ = superClass;
  }

  babelHelpers.inheritsLoose = _inheritsLoose;

  function _getPrototypeOf(o) {
    babelHelpers.getPrototypeOf = _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
      return o.__proto__ || Object.getPrototypeOf(o);
    };
    return _getPrototypeOf(o);
  }

  babelHelpers.getPrototypeOf = _getPrototypeOf;

  function _setPrototypeOf(o, p) {
    babelHelpers.setPrototypeOf = _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
      o.__proto__ = p;
      return o;
    };

    return _setPrototypeOf(o, p);
  }

  babelHelpers.setPrototypeOf = _setPrototypeOf;

  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 _construct(Parent, args, Class) {
    if (isNativeReflectConstruct()) {
      babelHelpers.construct = _construct = Reflect.construct;
    } else {
      babelHelpers.construct = _construct = function _construct(Parent, args, Class) {
        var a = [null];
        a.push.apply(a, args);
        var Constructor = Function.bind.apply(Parent, a);
        var instance = new Constructor();
        if (Class) babelHelpers.setPrototypeOf(instance, Class.prototype);
        return instance;
      };
    }

    return _construct.apply(null, arguments);
  }

  babelHelpers.construct = _construct;

  function _isNativeFunction(fn) {
    return Function.toString.call(fn).indexOf("[native code]") !== -1;
  }

  babelHelpers.isNativeFunction = _isNativeFunction;

  function _wrapNativeSuper(Class) {
    var _cache = typeof Map === "function" ? new Map() : undefined;

    babelHelpers.wrapNativeSuper = _wrapNativeSuper = function _wrapNativeSuper(Class) {
      if (Class === null || !babelHelpers.isNativeFunction(Class)) return Class;

      if (typeof Class !== "function") {
        throw new TypeError("Super expression must either be null or a function");
      }

      if (typeof _cache !== "undefined") {
        if (_cache.has(Class)) return _cache.get(Class);

        _cache.set(Class, Wrapper);
      }

      function Wrapper() {
        return babelHelpers.construct(Class, arguments, babelHelpers.getPrototypeOf(this).constructor);
      }

      Wrapper.prototype = Object.create(Class.prototype, {
        constructor: {
          value: Wrapper,
          enumerable: false,
          writable: true,
          configurable: true
        }
      });
      return babelHelpers.setPrototypeOf(Wrapper, Class);
    };

    return _wrapNativeSuper(Class);
  }

  babelHelpers.wrapNativeSuper = _wrapNativeSuper;

  function _instanceof(left, right) {
    if (right != null && typeof Symbol !== "undefined" && right[Symbol.hasInstance]) {
      return right[Symbol.hasInstance](left);
    } else {
      return left instanceof right;
    }
  }

  babelHelpers.instanceof = _instanceof;

  function _interopRequireDefault(obj) {
    return obj && obj.__esModule ? obj : {
      default: obj
    };
  }

  babelHelpers.interopRequireDefault = _interopRequireDefault;

  function _interopRequireWildcard(obj) {
    if (obj && obj.__esModule) {
      return obj;
    } else {
      var newObj = {};

      if (obj != null) {
        for (var key in obj) {
          if (Object.prototype.hasOwnProperty.call(obj, key)) {
            var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {};

            if (desc.get || desc.set) {
              Object.defineProperty(newObj, key, desc);
            } else {
              newObj[key] = obj[key];
            }
          }
        }
      }

      newObj.default = obj;
      return newObj;
    }
  }

  babelHelpers.interopRequireWildcard = _interopRequireWildcard;

  function _newArrowCheck(innerThis, boundThis) {
    if (innerThis !== boundThis) {
      throw new TypeError("Cannot instantiate an arrow function");
    }
  }

  babelHelpers.newArrowCheck = _newArrowCheck;

  function _objectDestructuringEmpty(obj) {
    if (obj == null) throw new TypeError("Cannot destructure undefined");
  }

  babelHelpers.objectDestructuringEmpty = _objectDestructuringEmpty;

  function _objectWithoutPropertiesLoose(source, excluded) {
    if (source == null) return {};
    var target = {};
    var sourceKeys = Object.keys(source);
    var key, i;

    for (i = 0; i < sourceKeys.length; i++) {
      key = sourceKeys[i];
      if (excluded.indexOf(key) >= 0) continue;
      target[key] = source[key];
    }

    return target;
  }

  babelHelpers.objectWithoutPropertiesLoose = _objectWithoutPropertiesLoose;

  function _objectWithoutProperties(source, excluded) {
    if (source == null) return {};
    var target = babelHelpers.objectWithoutPropertiesLoose(source, excluded);
    var key, i;

    if (Object.getOwnPropertySymbols) {
      var sourceSymbolKeys = Object.getOwnPropertySymbols(source);

      for (i = 0; i < sourceSymbolKeys.length; i++) {
        key = sourceSymbolKeys[i];
        if (excluded.indexOf(key) >= 0) continue;
        if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
        target[key] = source[key];
      }
    }

    return target;
  }

  babelHelpers.objectWithoutProperties = _objectWithoutProperties;

  function _assertThisInitialized(self) {
    if (self === void 0) {
      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }

    return self;
  }

  babelHelpers.assertThisInitialized = _assertThisInitialized;

  function _possibleConstructorReturn(self, call) {
    if (call && (typeof call === "object" || typeof call === "function")) {
      return call;
    }

    return babelHelpers.assertThisInitialized(self);
  }

  babelHelpers.possibleConstructorReturn = _possibleConstructorReturn;

  function _superPropBase(object, property) {
    while (!Object.prototype.hasOwnProperty.call(object, property)) {
      object = babelHelpers.getPrototypeOf(object);
      if (object === null) break;
    }

    return object;
  }

  babelHelpers.superPropBase = _superPropBase;

  function _get(target, property, receiver) {
    if (typeof Reflect !== "undefined" && Reflect.get) {
      babelHelpers.get = _get = Reflect.get;
    } else {
      babelHelpers.get = _get = function _get(target, property, receiver) {
        var base = babelHelpers.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);
  }

  babelHelpers.get = _get;

  function set(target, property, value, receiver) {
    if (typeof Reflect !== "undefined" && Reflect.set) {
      set = Reflect.set;
    } else {
      set = function set(target, property, value, receiver) {
        var base = babelHelpers.superPropBase(target, property);
        var desc;

        if (base) {
          desc = Object.getOwnPropertyDescriptor(base, property);

          if (desc.set) {
            desc.set.call(receiver, value);
            return true;
          } else if (!desc.writable) {
            return false;
          }
        }

        desc = Object.getOwnPropertyDescriptor(receiver, property);

        if (desc) {
          if (!desc.writable) {
            return false;
          }

          desc.value = value;
          Object.defineProperty(receiver, property, desc);
        } else {
          babelHelpers.defineProperty(receiver, property, value);
        }

        return true;
      };
    }

    return set(target, property, value, receiver);
  }

  function _set(target, property, value, receiver, isStrict) {
    var s = set(target, property, value, receiver || target);

    if (!s && isStrict) {
      throw new Error('failed to set property');
    }

    return value;
  }

  babelHelpers.set = _set;

  function _taggedTemplateLiteral(strings, raw) {
    if (!raw) {
      raw = strings.slice(0);
    }

    return Object.freeze(Object.defineProperties(strings, {
      raw: {
        value: Object.freeze(raw)
      }
    }));
  }

  babelHelpers.taggedTemplateLiteral = _taggedTemplateLiteral;

  function _taggedTemplateLiteralLoose(strings, raw) {
    if (!raw) {
      raw = strings.slice(0);
    }

    strings.raw = raw;
    return strings;
  }

  babelHelpers.taggedTemplateLiteralLoose = _taggedTemplateLiteralLoose;

  function _temporalRef(val, name) {
    if (val === babelHelpers.temporalUndefined) {
      throw new ReferenceError(name + " is not defined - temporal dead zone");
    } else {
      return val;
    }
  }

  babelHelpers.temporalRef = _temporalRef;

  function _readOnlyError(name) {
    throw new Error("\"" + name + "\" is read-only");
  }

  babelHelpers.readOnlyError = _readOnlyError;

  function _classNameTDZError(name) {
    throw new Error("Class \"" + name + "\" cannot be referenced in computed property keys.");
  }

  babelHelpers.classNameTDZError = _classNameTDZError;
  babelHelpers.temporalUndefined = {};

  function _slicedToArray(arr, i) {
    return babelHelpers.arrayWithHoles(arr) || babelHelpers.iterableToArrayLimit(arr, i) || babelHelpers.nonIterableRest();
  }

  babelHelpers.slicedToArray = _slicedToArray;

  function _slicedToArrayLoose(arr, i) {
    return babelHelpers.arrayWithHoles(arr) || babelHelpers.iterableToArrayLimitLoose(arr, i) || babelHelpers.nonIterableRest();
  }

  babelHelpers.slicedToArrayLoose = _slicedToArrayLoose;

  function _toArray(arr) {
    return babelHelpers.arrayWithHoles(arr) || babelHelpers.iterableToArray(arr) || babelHelpers.nonIterableRest();
  }

  babelHelpers.toArray = _toArray;

  function _toConsumableArray(arr) {
    return babelHelpers.arrayWithoutHoles(arr) || babelHelpers.iterableToArray(arr) || babelHelpers.nonIterableSpread();
  }

  babelHelpers.toConsumableArray = _toConsumableArray;

  function _arrayWithoutHoles(arr) {
    if (Array.isArray(arr)) {
      for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];

      return arr2;
    }
  }

  babelHelpers.arrayWithoutHoles = _arrayWithoutHoles;

  function _arrayWithHoles(arr) {
    if (Array.isArray(arr)) return arr;
  }

  babelHelpers.arrayWithHoles = _arrayWithHoles;

  function _iterableToArray(iter) {
    if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
  }

  babelHelpers.iterableToArray = _iterableToArray;

  function _iterableToArrayLimit(arr, i) {
    var _arr = [];
    var _n = true;
    var _d = false;
    var _e = undefined;

    try {
      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
        _arr.push(_s.value);

        if (i && _arr.length === i) break;
      }
    } catch (err) {
      _d = true;
      _e = err;
    } finally {
      try {
        if (!_n && _i["return"] != null) _i["return"]();
      } finally {
        if (_d) throw _e;
      }
    }

    return _arr;
  }

  babelHelpers.iterableToArrayLimit = _iterableToArrayLimit;

  function _iterableToArrayLimitLoose(arr, i) {
    var _arr = [];

    for (var _iterator = arr[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
      _arr.push(_step.value);

      if (i && _arr.length === i) break;
    }

    return _arr;
  }

  babelHelpers.iterableToArrayLimitLoose = _iterableToArrayLimitLoose;

  function _nonIterableSpread() {
    throw new TypeError("Invalid attempt to spread non-iterable instance");
  }

  babelHelpers.nonIterableSpread = _nonIterableSpread;

  function _nonIterableRest() {
    throw new TypeError("Invalid attempt to destructure non-iterable instance");
  }

  babelHelpers.nonIterableRest = _nonIterableRest;

  function _skipFirstGeneratorNext(fn) {
    return function () {
      var it = fn.apply(this, arguments);
      it.next();
      return it;
    };
  }

  babelHelpers.skipFirstGeneratorNext = _skipFirstGeneratorNext;

  function _toPropertyKey(key) {
    if (typeof key === "symbol") {
      return key;
    } else {
      return String(key);
    }
  }

  babelHelpers.toPropertyKey = _toPropertyKey;

  function _initializerWarningHelper(descriptor, context) {
    throw new Error('Decorating class property failed. Please ensure that ' + 'proposal-class-properties is enabled and set to use loose mode. ' + 'To use proposal-class-properties in spec mode with decorators, wait for ' + 'the next major version of decorators in stage 2.');
  }

  babelHelpers.initializerWarningHelper = _initializerWarningHelper;

  function _initializerDefineProperty(target, property, descriptor, context) {
    if (!descriptor) return;
    Object.defineProperty(target, property, {
      enumerable: descriptor.enumerable,
      configurable: descriptor.configurable,
      writable: descriptor.writable,
      value: descriptor.initializer ? descriptor.initializer.call(context) : void 0
    });
  }

  babelHelpers.initializerDefineProperty = _initializerDefineProperty;

  function _applyDecoratedDescriptor(target, property, decorators, descriptor, context) {
    var desc = {};
    Object['ke' + 'ys'](descriptor).forEach(function (key) {
      desc[key] = descriptor[key];
    });
    desc.enumerable = !!desc.enumerable;
    desc.configurable = !!desc.configurable;

    if ('value' in desc || desc.initializer) {
      desc.writable = true;
    }

    desc = decorators.slice().reverse().reduce(function (desc, decorator) {
      return decorator(target, property, desc) || desc;
    }, desc);

    if (context && desc.initializer !== void 0) {
      desc.value = desc.initializer ? desc.initializer.call(context) : void 0;
      desc.initializer = undefined;
    }

    if (desc.initializer === void 0) {
      Object['define' + 'Property'](target, property, desc);
      desc = null;
    }

    return desc;
  }

  babelHelpers.applyDecoratedDescriptor = _applyDecoratedDescriptor;
  var id = 0;

  function _classPrivateFieldKey(name) {
    return "__private_" + id++ + "_" + name;
  }

  babelHelpers.classPrivateFieldLooseKey = _classPrivateFieldKey;

  function _classPrivateFieldBase(receiver, privateKey) {
    if (!Object.prototype.hasOwnProperty.call(receiver, privateKey)) {
      throw new TypeError("attempted to use private field on non-instance");
    }

    return receiver;
  }

  babelHelpers.classPrivateFieldLooseBase = _classPrivateFieldBase;

  function _classPrivateFieldGet(receiver, privateMap) {
    if (!privateMap.has(receiver)) {
      throw new TypeError("attempted to get private field on non-instance");
    }

    return privateMap.get(receiver).value;
  }

  babelHelpers.classPrivateFieldGet = _classPrivateFieldGet;

  function _classPrivateFieldSet(receiver, privateMap, value) {
    if (!privateMap.has(receiver)) {
      throw new TypeError("attempted to set private field on non-instance");
    }

    var descriptor = privateMap.get(receiver);

    if (!descriptor.writable) {
      throw new TypeError("attempted to set read only private field");
    }

    descriptor.value = value;
    return value;
  }

  babelHelpers.classPrivateFieldSet = _classPrivateFieldSet;

  function _classStaticPrivateFieldSpecGet(receiver, classConstructor, descriptor) {
    if (receiver !== classConstructor) {
      throw new TypeError("Private static access of wrong provenance");
    }

    return descriptor.value;
  }

  babelHelpers.classStaticPrivateFieldSpecGet = _classStaticPrivateFieldSpecGet;

  function _classStaticPrivateFieldSpecSet(receiver, classConstructor, descriptor, value) {
    if (receiver !== classConstructor) {
      throw new TypeError("Private static access of wrong provenance");
    }

    if (!descriptor.writable) {
      throw new TypeError("attempted to set read only private field");
    }

    descriptor.value = value;
    return value;
  }

  babelHelpers.classStaticPrivateFieldSpecSet = _classStaticPrivateFieldSpecSet;

  function _decorate(decorators, factory, superClass) {
    var r = factory(function initialize(O) {
      _initializeInstanceElements(O, decorated.elements);
    }, superClass);

    var decorated = _decorateClass(_coalesceClassElements(r.d.map(_createElementDescriptor)), decorators);

    _initializeClassElements(r.F, decorated.elements);

    return _runClassFinishers(r.F, decorated.finishers);
  }

  function _createElementDescriptor(def) {
    var descriptor;

    if (def.kind === "method") {
      descriptor = {
        value: def.value,
        writable: true,
        configurable: true,
        enumerable: false
      };
    } else if (def.kind === "get") {
      descriptor = {
        get: def.value,
        configurable: true,
        enumerable: false
      };
    } else if (def.kind === "set") {
      descriptor = {
        set: def.value,
        configurable: true,
        enumerable: false
      };
    } else if (def.kind === "field") {
      descriptor = {
        configurable: true,
        writable: true,
        enumerable: false
      };
    }

    var element = {
      kind: def.kind === "field" ? "field" : "method",
      key: def.key,
      placement: def.static ? "static" : def.kind === "field" ? "own" : "prototype",
      descriptor: descriptor
    };
    if (def.decorators) element.decorators = def.decorators;
    if (def.kind === "field") element.initializer = def.value;
    return element;
  }

  function _coalesceGetterSetter(element, other) {
    if (element.descriptor.get !== undefined) {
      other.descriptor.get = element.descriptor.get;
    } else {
      other.descriptor.set = element.descriptor.set;
    }
  }

  function _coalesceClassElements(elements) {
    var newElements = [];

    var isSameElement = function (other) {
      return other.kind === "method" && other.key === element.key && other.placement === element.placement;
    };

    for (var i = 0; i < elements.length; i++) {
      var element = elements[i];
      var other;

      if (element.kind === "method" && (other = newElements.find(isSameElement))) {
        if (_isDataDescriptor(element.descriptor) || _isDataDescriptor(other.descriptor)) {
          if (_hasDecorators(element) || _hasDecorators(other)) {
            throw new ReferenceError("Duplicated methods (" + element.key + ") can't be decorated.");
          }

          other.descriptor = element.descriptor;
        } else {
          if (_hasDecorators(element)) {
            if (_hasDecorators(other)) {
              throw new ReferenceError("Decorators can't be placed on different accessors with for " + "the same property (" + element.key + ").");
            }

            other.decorators = element.decorators;
          }

          _coalesceGetterSetter(element, other);
        }
      } else {
        newElements.push(element);
      }
    }

    return newElements;
  }

  function _hasDecorators(element) {
    return element.decorators && element.decorators.length;
  }

  function _isDataDescriptor(desc) {
    return desc !== undefined && !(desc.value === undefined && desc.writable === undefined);
  }

  function _initializeClassElements(F, elements) {
    var proto = F.prototype;
    ["method", "field"].forEach(function (kind) {
      elements.forEach(function (element) {
        var placement = element.placement;

        if (element.kind === kind && (placement === "static" || placement === "prototype")) {
          var receiver = placement === "static" ? F : proto;

          _defineClassElement(receiver, element);
        }
      });
    });
  }

  function _initializeInstanceElements(O, elements) {
    ["method", "field"].forEach(function (kind) {
      elements.forEach(function (element) {
        if (element.kind === kind && element.placement === "own") {
          _defineClassElement(O, element);
        }
      });
    });
  }

  function _defineClassElement(receiver, element) {
    var descriptor = element.descriptor;

    if (element.kind === "field") {
      var initializer = element.initializer;
      descriptor = {
        enumerable: descriptor.enumerable,
        writable: descriptor.writable,
        configurable: descriptor.configurable,
        value: initializer === void 0 ? void 0 : initializer.call(receiver)
      };
    }

    Object.defineProperty(receiver, element.key, descriptor);
  }

  function _decorateClass(elements, decorators) {
    var newElements = [];
    var finishers = [];
    var placements = {
      static: [],
      prototype: [],
      own: []
    };
    elements.forEach(function (element) {
      _addElementPlacement(element, placements);
    });
    elements.forEach(function (element) {
      if (!_hasDecorators(element)) return newElements.push(element);

      var elementFinishersExtras = _decorateElement(element, placements);

      newElements.push(elementFinishersExtras.element);
      newElements.push.apply(newElements, elementFinishersExtras.extras);
      finishers.push.apply(finishers, elementFinishersExtras.finishers);
    });

    if (!decorators) {
      return {
        elements: newElements,
        finishers: finishers
      };
    }

    var result = _decorateConstructor(newElements, decorators);

    finishers.push.apply(finishers, result.finishers);
    result.finishers = finishers;
    return result;
  }

  function _addElementPlacement(element, placements, silent) {
    var keys = placements[element.placement];

    if (!silent && keys.indexOf(element.key) !== -1) {
      throw new TypeError("Duplicated element (" + element.key + ")");
    }

    keys.push(element.key);
  }

  function _decorateElement(element, placements) {
    var extras = [];
    var finishers = [];

    for (var decorators = element.decorators, i = decorators.length - 1; i >= 0; i--) {
      var keys = placements[element.placement];
      keys.splice(keys.indexOf(element.key), 1);

      var elementObject = _fromElementDescriptor(element);

      var elementFinisherExtras = _toElementFinisherExtras((0, decorators[i])(elementObject) || elementObject);

      element = elementFinisherExtras.element;

      _addElementPlacement(element, placements);

      if (elementFinisherExtras.finisher) {
        finishers.push(elementFinisherExtras.finisher);
      }

      var newExtras = elementFinisherExtras.extras;

      if (newExtras) {
        for (var j = 0; j < newExtras.length; j++) {
          _addElementPlacement(newExtras[j], placements);
        }

        extras.push.apply(extras, newExtras);
      }
    }

    return {
      element: element,
      finishers: finishers,
      extras: extras
    };
  }

  function _decorateConstructor(elements, decorators) {
    var finishers = [];

    for (var i = decorators.length - 1; i >= 0; i--) {
      var obj = _fromClassDescriptor(elements);

      var elementsAndFinisher = _toClassDescriptor((0, decorators[i])(obj) || obj);

      if (elementsAndFinisher.finisher !== undefined) {
        finishers.push(elementsAndFinisher.finisher);
      }

      if (elementsAndFinisher.elements !== undefined) {
        elements = elementsAndFinisher.elements;

        for (var j = 0; j < elements.length - 1; j++) {
          for (var k = j + 1; k < elements.length; k++) {
            if (elements[j].key === elements[k].key && elements[j].placement === elements[k].placement) {
              throw new TypeError("Duplicated element (" + elements[j].key + ")");
            }
          }
        }
      }
    }

    return {
      elements: elements,
      finishers: finishers
    };
  }

  function _fromElementDescriptor(element) {
    var obj = {
      kind: element.kind,
      key: element.key,
      placement: element.placement,
      descriptor: element.descriptor
    };
    var desc = {
      value: "Descriptor",
      configurable: true
    };
    Object.defineProperty(obj, Symbol.toStringTag, desc);
    if (element.kind === "field") obj.initializer = element.initializer;
    return obj;
  }

  function _toElementDescriptors(elementObjects) {
    if (elementObjects === undefined) return;
    return babelHelpers.toArray(elementObjects).map(function (elementObject) {
      var element = _toElementDescriptor(elementObject);

      _disallowProperty(elementObject, "finisher", "An element descriptor");

      _disallowProperty(elementObject, "extras", "An element descriptor");

      return element;
    });
  }

  function _toElementDescriptor(elementObject) {
    var kind = String(elementObject.kind);

    if (kind !== "method" && kind !== "field") {
      throw new TypeError('An element descriptor\'s .kind property must be either "method" or' + ' "field", but a decorator created an element descriptor with' + ' .kind "' + kind + '"');
    }

    var key = elementObject.key;
    if (typeof key !== "string" && typeof key !== "symbol") key = String(key);
    var placement = String(elementObject.placement);

    if (placement !== "static" && placement !== "prototype" && placement !== "own") {
      throw new TypeError('An element descriptor\'s .placement property must be one of "static",' + ' "prototype" or "own", but a decorator created an element descriptor' + ' with .placement "' + placement + '"');
    }

    var descriptor = elementObject.descriptor;

    _disallowProperty(elementObject, "elements", "An element descriptor");

    var element = {
      kind: kind,
      key: key,
      placement: placement,
      descriptor: Object.assign({}, descriptor)
    };

    if (kind !== "field") {
      _disallowProperty(elementObject, "initializer", "A method descriptor");
    } else {
      _disallowProperty(descriptor, "get", "The property descriptor of a field descriptor");

      _disallowProperty(descriptor, "set", "The property descriptor of a field descriptor");

      _disallowProperty(descriptor, "value", "The property descriptor of a field descriptor");

      element.initializer = elementObject.initializer;
    }

    return element;
  }

  function _toElementFinisherExtras(elementObject) {
    var element = _toElementDescriptor(elementObject);

    var finisher = _optionalCallableProperty(elementObject, "finisher");

    var extras = _toElementDescriptors(elementObject.extras);

    return {
      element: element,
      finisher: finisher,
      extras: extras
    };
  }

  function _fromClassDescriptor(elements) {
    var obj = {
      kind: "class",
      elements: elements.map(_fromElementDescriptor)
    };
    var desc = {
      value: "Descriptor",
      configurable: true
    };
    Object.defineProperty(obj, Symbol.toStringTag, desc);
    return obj;
  }

  function _toClassDescriptor(obj) {
    var kind = String(obj.kind);

    if (kind !== "class") {
      throw new TypeError('A class descriptor\'s .kind property must be "class", but a decorator' + ' created a class descriptor with .kind "' + kind + '"');
    }

    _disallowProperty(obj, "key", "A class descriptor");

    _disallowProperty(obj, "placement", "A class descriptor");

    _disallowProperty(obj, "descriptor", "A class descriptor");

    _disallowProperty(obj, "initializer", "A class descriptor");

    _disallowProperty(obj, "extras", "A class descriptor");

    var finisher = _optionalCallableProperty(obj, "finisher");

    var elements = _toElementDescriptors(obj.elements);

    return {
      elements: elements,
      finisher: finisher
    };
  }

  function _disallowProperty(obj, name, objectType) {
    if (obj[name] !== undefined) {
      throw new TypeError(objectType + " can't have a ." + name + " property.");
    }
  }

  function _optionalCallableProperty(obj, name) {
    var value = obj[name];

    if (value !== undefined && typeof value !== "function") {
      throw new TypeError("Expected '" + name + "' to be a function");
    }

    return value;
  }

  function _runClassFinishers(constructor, finishers) {
    for (var i = 0; i < finishers.length; i++) {
      var newConstructor = (0, finishers[i])(constructor);

      if (newConstructor !== undefined) {
        if (typeof newConstructor !== "function") {
          throw new TypeError("Finishers must return a constructor.");
        }

        constructor = newConstructor;
      }
    }

    return constructor;
  }

  babelHelpers.decorate = _decorate;
})(typeof global === "undefined" ? self : global);