Balance public struct Balance Describes an account balance. availableAmount Indicates the available balance. Declaration Swift public let availableAmount: Amount transactionLimit Indicates the maximum spendable balance for a single transaction, as mandated by the account issuer, regardless of the account balance. Declaration Swift public let transactionLimit: Amount? init(availableAmount:transactionLimit:) Initializes a Balance. Declaration Swift public init(availableAmount: Amount, transactionLimit: Amount?) Parameters availableAmount The available balance. transactionLimit The maximum spendable balance for a single transaction as mandated by the account issuer, regardless of the account balance.