@Override
    public String getDescription() {
        return "SOFN (SOF" + (marker - JpegConstants.SOF0_MARKER) + ") (" + getSegmentType() + ")";
    }
Returns the component at the specified index.

@param index the array index
@return the component
src/main/java/org/apache/commons/imaging/formats/jpeg/segments/SofnSegment.java