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diff --git a/node_modules/core-js/library/modules/_object-keys-internal.js b/node_modules/core-js/library/modules/_object-keys-internal.js
new file mode 100644
index 000000000..e23481d7c
--- /dev/null
+++ b/node_modules/core-js/library/modules/_object-keys-internal.js
@@ -0,0 +1,17 @@
+var has          = require('./_has')
+  , toIObject    = require('./_to-iobject')
+  , arrayIndexOf = require('./_array-includes')(false)
+  , IE_PROTO     = require('./_shared-key')('IE_PROTO');
+
+module.exports = function(object, names){
+  var O      = toIObject(object)
+    , i      = 0
+    , result = []
+    , key;
+  for(key in O)if(key != IE_PROTO)has(O, key) && result.push(key);
+  // Don't enum bug & hidden keys
+  while(names.length > i)if(has(O, key = names[i++])){
+    ~arrayIndexOf(result, key) || result.push(key);
+  }
+  return result;
+};
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