public void setPrimaryAccountNumber(String primaryAccountNumber) {
        this.primaryAccountNumber = primaryAccountNumber;
    }
<p>
The Primary Account Number (PAN), a unique identifier for a payment credit or debit card that associates the card
with a specific account holder.
</p>

@param primaryAccountNumber
       The Primary Account Number (PAN), a unique identifier for a payment credit or debit card that associates
       the card with a specific account holder.
aws-java-sdk-paymentcryptographydata/src/main/java/com/amazonaws/services/paymentcryptographydata/model/VerifyCardValidationDataRequest.java