'use strict';
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var $ = require('../internals/export');
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var union = require('../internals/set-union');
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var setMethodGetKeysBeforeCloning = require('../internals/set-method-get-keys-before-cloning-detection');
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var setMethodAcceptSetLike = require('../internals/set-method-accept-set-like');
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var FORCED = !setMethodAcceptSetLike('union') || !setMethodGetKeysBeforeCloning('union');
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// `Set.prototype.union` method
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// https://tc39.es/ecma262/#sec-set.prototype.union
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$({ target: 'Set', proto: true, real: true, forced: FORCED }, {
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union: union
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});
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