"use strict";function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(obj){return typeof obj}:function _typeof(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_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 descriptor,i=0;i