toJson method

Implementation

core.Map<core.String, core.dynamic> toJson() {
  final yyyymmFirst = this.yyyymmFirst;
  final yyyymmSecond = this.yyyymmSecond;
  final yyyymmThird = this.yyyymmThird;
  return {
    'yyyymmFirst': ?yyyymmFirst,
    'yyyymmSecond': ?yyyymmSecond,
    'yyyymmThird': ?yyyymmThird,
  };
}