--- /dev/null
+// 19.1.2.14 / 15.2.3.14 Object.keys(O)
+var $keys = require('./_object-keys-internal')
+ , enumBugKeys = require('./_enum-bug-keys');
+
+module.exports = Object.keys || function keys(O){
+ return $keys(O, enumBugKeys);
+};
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