@Override
    public boolean dumpImageFile(final PrintWriter pw, final ByteSource byteSource) throws ImagingException, IOException {
        final IcnsContents icnsContents = readImage(byteSource);
        icnsContents.icnsHeader.dump(pw);
        for (final IcnsElement icnsElement : icnsContents.icnsElements) {
            icnsElement.dump(pw);
        }
        return true;
    }
Constructs a new instance with the big-endian byte order.
src/main/java/org/apache/commons/imaging/formats/icns/IcnsImageParser.java