toOptionsJSON method

Implementation

@override
void toOptionsJSON(StringBuffer buffer) {
  super.toOptionsJSON(buffer);

  if (amount != null) {
    buffer.writeAll(['"amount":', amount, ','], '');
  }
  if (fill != null) {
    buffer.write('"fill":{');
    for (var item in fill!.entries) {
      buffer.writeAll(['"', item.key, '":', jsonEncode(item.value), ','], '');
    }
    buffer.write('},');
  }
}