action property Null safety
@JsonKey(name: 'Action', fromJson: OnvifUtil.nullableMappedToString), final
Implementation
@JsonKey(name: 'Action', fromJson: OnvifUtil.nullableMappedToString)
final String? action;
@JsonKey(name: 'Action', fromJson: OnvifUtil.nullableMappedToString)
final String? action;