public static ICNSType findIconType(byte[] bytes) {
        int type = converttoInt(bytes);
        for (ICNSType allImageType : allImageTypes) {
            if (allImageType.getType() == type) {
                return allImageType;
            }
        }
        return null;
    }
Holds details on Apple ICNS icons
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-image-module/src/main/java/org/apache/tika/parser/image/ICNSType.java