copyWith method
Implementation
GiftUpgradePrice copyWith({int? date, int? starCount}) => GiftUpgradePrice(
date: date ?? this.date,
starCount: starCount ?? this.starCount,
);
GiftUpgradePrice copyWith({int? date, int? starCount}) => GiftUpgradePrice(
date: date ?? this.date,
starCount: starCount ?? this.starCount,
);