code: function(out)
    {
      var target = out || {};
      var keys = this.keys;
      var values = this.values;
  
      for (var i = 0; i < keys.length; i++)
      {
        target[ keys[ i ] ] = values[ i ];
      }
  
      return target;
    }
docs: Builds an object contain the keys and values in this map.
  
  @return {Object} -
  The built object.