toJson method

Map<String, dynamic> toJson()

Implementation

core.Map<core.String, core.dynamic> toJson() => {
      if (kind != null) 'kind': kind!,
      if (periodEndMillis != null) 'periodEndMillis': periodEndMillis!,
      if (periodStartMillis != null) 'periodStartMillis': periodStartMillis!,
    };