// old version
    async waitForCompletion(
        ledgerEnd: number | Types['GetLedgerEndResponse'],
        timeoutMs: number,
        commandId?: string,
        submissionId?: string
    ): Promise<Types['Completion']['value']> {

    // new version
    async waitForCompletion(
        ledgerEnd: number | Types['GetLedgerEndResponse'],
        timeoutMs: number,
        commandIdOrSubmissionId: string
    ): Promise<Types['Completion']['value']> {

const delegateCommand = await sdk.userLedger?.createDelegateProxyCommand(
    exchangeParty!,
    treasuryParty!.partyId
)

const delegationContractResult =
    await sdk.userLedger?.submitCommand(delegateCommand)

const [acceptCommand, disclosedContracts4] =
    await sdk.tokenStandard?.exerciseTransferInstructionChoiceWithDelegate(
        transferCid, //incoming transfer
        'Accept',
        proxyCid!,
        featuredAppRights?.contract_id!,
        [
            {
                beneficiary: exchangeParty!,
                weight: 1.0,
            },
        ],
        featuredAppRights!
    )!

//prepare, sign and execute the above command

//create renew command to be prepared, signed and executed
const [renewCmd, disclosedContractsRenew] =
    await sdk.tokenStandard!.createRenewTransferPreapproval(
        preapproval.contractId,
        preapproval.templateId,
        validatorOperatorParty!
    )

//create cancel command to be prepared, signed and executed
const [cancelCmd, disclosedContractsCancel] =
    await sdk.tokenStandard!.createCancelTransferPreapproval(
        preapprovalAfterRenewal.contractId,
        preapprovalAfterRenewal.templateId,
        receiver!.partyId
    )