public function setTransfers(
        $amount,
        $bankNumber,
        $agencyNumber,
        $agencyCheckNumber,
        $accountNumber,
        $accountCheckNumber
    ) {
        $this->data->amount = $amount;
        $this->data->transferInstrument->method = self::METHOD;
        $this->data->transferInstrument->bankAccount->type = self::TYPE;
        $this->data->transferInstrument->bankAccount->bankNumber = $bankNumber;
        $this->data->transferInstrument->bankAccount->agencyNumber = $agencyNumber;
        $this->data->transferInstrument->bankAccount->agencyCheckNumber = $agencyCheckNumber;
        $this->data->transferInstrument->bankAccount->accountNumber = $accountNumber;
        $this->data->transferInstrument->bankAccount->accountCheckNumber = $accountCheckNumber;

        return $this;
    }