'getOwnPropertyDescriptors' in Object || (
  Object.getOwnPropertyDescriptors = function (Object) {
    var
      gOPD    = Object.getOwnPropertyDescriptor,
      gOPN    = Object.getOwnPropertyNames,
      gOPS    = Object.getOwnPropertySymbols,
      gNS     = gOPS ? function (object) {
                         return gOPN(object).concat(gOPS(object));
                       } :
                       gOPN,
      descriptors
    ;
    function copyFrom(key) {
      descriptors[key] = gOPD(this, key);
    }
    return function getOwnPropertyDescriptors(object) {
      var result = descriptors = {};
      gNS(object).forEach(copyFrom, object);
      descriptors = null;
      return result;
    };
  }(Object)
);