private static void printClassBytes(byte[] byteCode) {
        if (DEBUG) {
            TraceClassVisitor visitor = new TraceClassVisitor(new PrintWriter(System.out));
            new ClassReader(byteCode).accept(visitor, 0);
        }
    }
The index of the 'this' object in instance methods
jctools-channels/src/main/java/org/jctools/channels/proxy/ProxyChannelFactory.java