TimeDistance.fromJson constructor
Implementation
factory TimeDistance.fromJson(final Map<String, dynamic> json) {
  return TimeDistance(
    unrestrictedTimeS: json['unrestrictedTimeS'] ?? 0,
    restrictedTimeS: json['restrictedTimeS'] ?? 0,
    unrestrictedDistanceM: json['unrestrictedDistanceM'] ?? 0,
    restrictedDistanceM: json['restrictedDistanceM'] ?? 0,
    ndBeginEndRatio: json['ndBeginEndRatio'] ?? -1.0,
  );
}