code: function nativeKeysIn$1(object) {
    var result = [];
    if (object != null) {
      for (var key in Object(object)) {
        result.push(key);
      }
    }
    return result;
  }
docs: This function is like
  [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
  except that it includes inherited enumerable properties.
  
  @private
  @param {Object} object The object to query.
  @returns {Array} Returns the array of property names.