PortfolioBudget: PartialC<{ amount: NumberC; currencyCode: EnumType<AmazonMarketplaceAdvertisingCurrency>; endDate: UnionC<[StringC, NullC]>; policy: UnionC<[LiteralC<"dateRange">, LiteralC<"MonthlyRecurring">]>; startDate: UnionC<[StringC, NullC]> }> = ...