(function(l){function m(){}function k(c,a){c=void 0===c?"utf-8":c;a=void 0===a?{fatal:!1}:a;if(-1===n.indexOf(c.toLowerCase()))throw new RangeError("Failed to construct 'TextDecoder': The encoding label provided ('"+c+"') is invalid.");if(a.fatal)throw Error("Failed to construct 'TextDecoder': the 'fatal' option is unsupported.");}if(l.TextEncoder&&l.TextDecoder)return!1;var n=["utf-8","utf8","unicode-1-1-utf-8"];Object.defineProperty(m.prototype,"encoding",{value:"utf-8"});m.prototype.encode=function(c,
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