TransactionCallHandlers: {
    contracts.Call?: CallHandler<ContractsCall>;
    contracts.ChangeUpgradePolicy?: CallHandler<ChangeUpgradePolicy>;
    contracts.Instantiate?: CallHandler<ContractsInstantiate>;
    contracts.Upgrade?: CallHandler<ContractsUpgrade>;
    contracts.Upload?: CallHandler<ContractsUpload>;
}

Use this as a part of a transaction.CallHandlers.