toOptionsJSON method
Implementation
@override
void toOptionsJSON(StringBuffer buffer) {
  super.toOptionsJSON(buffer);
  if (connectorOptions != null) {
    buffer.writeAll(
        ['"connectorOptions":', connectorOptions?.toJSON(), ','], '');
  }
  if (id != null) {
    buffer.writeAll(['"id":', jsonEncode(id), ','], '');
  }
  if (position != null) {
    buffer.writeAll(['"position":', position?.toJSON(), ','], '');
  }
}