| 12345678910 | 'use strict';var $ = require('../internals/export');var union = require('../internals/set-union');var setMethodAcceptSetLike = require('../internals/set-method-accept-set-like');// `Set.prototype.union` method// https://github.com/tc39/proposal-set-methods$({ target: 'Set', proto: true, real: true, forced: !setMethodAcceptSetLike('union') }, {  union: union});
 |