docs: function(value, params, property, fields, object) {
  
              if (_.isString(value)) {
                  value = value.split(params.delimiter || this._defaultArrayDelimiter);
              }
  
              if ('element' in params) {
                  for (var i = 0, ii = value.length; i < ii; ++i) {
                      value[i] = this.apply(value[i], params.element, property, fields.concat(i), object);
                  }
              }
  
              return value;
          }