toJson method

Implementation

core.Map<core.String, core.dynamic> toJson() {
  final highValue = this.highValue;
  final lowValue = this.lowValue;
  final rateInMicros = this.rateInMicros;
  return {
    'highValue': ?highValue,
    'lowValue': ?lowValue,
    'rateInMicros': ?rateInMicros,
  };
}