'use strict'; 
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var $ = require('../internals/export'); 
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var toObject = require('../internals/to-object'); 
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var nativeKeys = require('../internals/object-keys'); 
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var fails = require('../internals/fails'); 
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var FAILS_ON_PRIMITIVES = fails(function () { nativeKeys(1); }); 
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// `Object.keys` method 
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// https://tc39.es/ecma262/#sec-object.keys 
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$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, { 
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  keys: function keys(it) { 
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    return nativeKeys(toObject(it)); 
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  } 
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}); 
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