copyWith method
Implementation
BuyGiftUpgrade copyWith({
MessageSender? ownerId,
String? prepaidUpgradeHash,
int? starCount,
}) => BuyGiftUpgrade(
ownerId: ownerId ?? this.ownerId,
prepaidUpgradeHash: prepaidUpgradeHash ?? this.prepaidUpgradeHash,
starCount: starCount ?? this.starCount,
);