Item Upgrade

Cost Record

```csharp public record Cost( [property: JsonPropertyName("WalletCosts")] IReadOnlyList WalletCosts );

public record Definition( [property: JsonPropertyName("ID")] string ID, [property: JsonPropertyName("Item")] Item Item, [property: JsonPropertyName("RequiredEntitlement")] RequiredEntitlement RequiredEntitlement, [property: JsonPropertyName("ProgressionSchedule")] ProgressionSchedule ProgressionSchedule, [property: JsonPropertyName("RewardSchedule")] RewardSchedule RewardSchedule, [property: JsonPropertyName("Sidegrades")] IReadOnlyList Sidegrades );

public record EntitlementReward( [property: JsonPropertyName("ItemTypeID")] string ItemTypeID, [property: JsonPropertyName("ItemID")] string ItemID, [property: JsonPropertyName("Amount")] int Amount );

public record Item( [property: JsonPropertyName("ItemTypeID")] string ItemTypeID, [property: JsonPropertyName("ItemID")] string ItemID );

public record Option( [property: JsonPropertyName("OptionID")] string OptionID, [property: JsonPropertyName("Cost")] Cost Cost, [property: JsonPropertyName("Rewards")] IReadOnlyList Rewards );

public record Prerequisites( [property: JsonPropertyName("RequiredEntitlements")] IReadOnlyList RequiredEntitlements );

public record ProgressionSchedule( [property: JsonPropertyName("Name")] string Name, [property: JsonPropertyName("ProgressionCurrencyID")] string ProgressionCurrencyID, [property: JsonPropertyName("ProgressionDeltaPerLevel")] IReadOnlyList ProgressionDeltaPerLevel );

public record RequiredEntitlement( [property: JsonPropertyName("ItemTypeID")] string ItemTypeID, [property: JsonPropertyName("ItemID")] string ItemID );

public record RequiredEntitlement2( [property: JsonPropertyName("ItemTypeID")] string ItemTypeID, [property: JsonPropertyName("ItemID")] string ItemID );

public record Reward( [property: JsonPropertyName("ItemTypeID")] string ItemTypeID, [property: JsonPropertyName("ItemID")] string ItemID, [property: JsonPropertyName("Amount")] long Amount );

public record RewardSchedule( [property: JsonPropertyName("ID")] string ID, [property: JsonPropertyName("Name")] string Name, [property: JsonPropertyName("Prerequisites")] object Prerequisites, [property: JsonPropertyName("RewardsPerLevel")] IReadOnlyList RewardsPerLevel );

public record RewardsPerLevel( [property: JsonPropertyName("EntitlementRewards")] IReadOnlyList EntitlementRewards, [property: JsonPropertyName("WalletRewards")] object WalletRewards, [property: JsonPropertyName("CounterRewards")] object CounterRewards );

public record ItemUpgrade( [property: JsonPropertyName("Definitions")] IReadOnlyList Definitions );

public record Sidegrade( [property: JsonPropertyName("SidegradeID")] string SidegradeID, [property: JsonPropertyName("Options")] IReadOnlyList Options, [property: JsonPropertyName("Prerequisites")] Prerequisites Prerequisites );

public record WalletCost( [property: JsonPropertyName("CurrencyID")] string CurrencyID, [property: JsonPropertyName("AmountToDeduct")] int AmountToDeduct );```