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"use strict";
module.exports = function () {
var set, iterator, result;
if (typeof Set !== "function") return false;
set = new Set(["raz", "dwa", "trzy"]);
if (String(set) !== "[object Set]") return false;
if (set.size !== 3) return false;
if (typeof set.add !== "function") return false;
if (typeof set.clear !== "function") return false;
if (typeof set.delete !== "function") return false;
if (typeof set.entries !== "function") return false;
if (typeof set.forEach !== "function") return false;
if (typeof set.has !== "function") return false;
if (typeof set.keys !== "function") return false;
if (typeof set.values !== "function") return false;
iterator = set.values();
result = iterator.next();
if (result.done !== false) return false;
if (result.value !== "raz") return false;
return true;
};
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