toJson method

Implementation

Map<String, Object?> toJson() {
  var x = this.x;
  var y = this.y;

  final json = <String, Object?>{};
  if (x != null) {
    json[r'x'] = x;
  }
  if (y != null) {
    json[r'y'] = y;
  }
  return json;
}