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function(e){"use strict";var t=Object.getOwnPropertySymbols,n=Object.prototype.hasOwnProperty,i=Object.prototype.propertyIsEnumerable;e.exports=!function(){try{if(!Object.assign)return!1;var e=new String("abc");if(e[5]="de","5"===Object.getOwnPropertyNames(e)[0])return!1;for(var t={},n=0;n<10;n++)t["_"+String.fromCharCode(n)]=n;var i=Object.getOwnPropertyNames(t).map(function(e){return t[e]});if("0123456789"!==i.join(""))return!1;var r={};if("abcdefghijklmnopqrst".split("").forEach(function(e){r[e]=e}),"abcdefghijklmnopqrst"!==Object.keys(Object.assign({},r)).join(""))return!1;return!0}catch(e){return!1}}()?function(e,r){for(var s,a,o=function(e){if(null==e)throw TypeError("Object.assign cannot be called with null or undefined");return Object(e)}(e),l=1;l<arguments.length;l++){for(var u in s=Object(arguments[l]))n.call(s,u)&&(o[u]=s[u]);if(t){a=t(s);for(var c=0;c<a.length;c++)i.call(s,a[c])&&(o[a[c]]=s[a[c]])}}return o}:Object.assign}