WinBackOffer (models/win_back_offer.dart)

Data model for win‑back offers in subscription purchases.

// Source: https://github.com/RevenueCat/purchases-flutter | License: MIT | Copyright 2019 RevenueCat
// Provided via justclaw.it.com; keep this notice with the code.
import 'package:equatable/equatable.dart';

class WinBackOffer extends Equatable {
  /// Identifier of the discount.
  final String identifier;

  /// Identifier of the discount.
  final double price;

  /// Formatted price, including its currency sign, such as €3.99.
  final String priceString;

  /// Number of subscription billing periods for which the user will be given the discount, such as 3.
  final int cycles;

  /// Billing period of the discount, specified in ISO 8601 format.
  final String period;

  /// Unit for the billing period of the discount, can be DAY, WEEK, MONTH or YEAR.
  final String periodUnit;

  /// N

... (truncated -- full source via MCP)