public MultiFactorAuthentication withDeviceSerialNumber(String deviceSerialNumber) {
        setDeviceSerialNumber(deviceSerialNumber);
        return this;
    }
Sets the Multi-Factor Authentication device serial number to include with
this request.     
Returns this {@link MultiFactorAuthentication}, enabling additional method
calls to be chained together.

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

@return This {@link MultiFactorAuthentication}, enabling additional method
        calls to be chained together.
        
@see MultiFactorAuthentication#getDeviceSerialNumber()
@see MultiFactorAuthentication#setDeviceSerialNumber(String)
aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/model/MultiFactorAuthentication.java