public void setDeviceSerialNumber(String deviceSerialNumber) {
        this.deviceSerialNumber = deviceSerialNumber;
    }
Sets the serial number of the Multi-Factor Authentication device
associated with the caller's Amazon Web Services account.

@param deviceSerialNumber
           The Multi-Factor Authentication device serial number for the
           device associated with the caller's Amazon Web Services account.

@see MultiFactorAuthentication#getDeviceSerialNumber()
@see MultiFactorAuthentication#withDeviceSerialNumber(String)
aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/model/MultiFactorAuthentication.java