class ExifInterface {

    public void setAltitude(double altitude) {
        String ref = altitude >= 0 ? "0" : "1";
        setAttribute(TAG_GPS_ALTITUDE, new Rational(Math.abs(altitude)).toString());
        setAttribute(TAG_GPS_ALTITUDE_REF, ref);
    }

    public  ExifInterface(@NonNull String filename);
    public  ExifInterface(@NonNull InputStream inputStream);

}