copyWith method
Implementation
UpgradedGiftAttributeIdBackdrop copyWith({int? backdropId}) =>
UpgradedGiftAttributeIdBackdrop(
backdropId: backdropId ?? this.backdropId,
);
UpgradedGiftAttributeIdBackdrop copyWith({int? backdropId}) =>
UpgradedGiftAttributeIdBackdrop(
backdropId: backdropId ?? this.backdropId,
);