copyWith method
Implementation
StorePaymentPurposeStars copyWith({
String? currency,
int? amount,
int? starCount,
int? chatId,
}) => StorePaymentPurposeStars(
currency: currency ?? this.currency,
amount: amount ?? this.amount,
starCount: starCount ?? this.starCount,
chatId: chatId ?? this.chatId,
);