@Override
    public YubiKeyAccount save(final YubiKeyAccount account) {
        if (dynamoDbFacilitator.save(account)) {
            return account;
        }
        return null;
    }
This is {@link DynamoDbYubiKeyAccountRegistry}.

@author Misagh Moayyed
@since 6.3.0
support/cas-server-support-yubikey-dynamodb/src/main/java/org/apereo/cas/adaptors/yubikey/dao/DynamoDbYubiKeyAccountRegistry.java