private static boolean isSet(int value, int flag) {
        return (value & flag) != 0;
    }
Class visitor that generates XHTML SAX events to describe the
contents of the visited class.
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-code-module/src/main/java/org/apache/tika/parser/asm/XHTMLClassVisitor.java