Remove dependency on ASM util classes.

import org.junit.Test;

import org.objectweb.asm.ClassReader;

import org.objectweb.asm.ClassWriter;

import org.objectweb.asm.util.TraceClassVisitor;

import java.io.IOException;

import java.io.PrintWriter;

import java.io.StringWriter;

import java.lang.annotation.Annotation;

import java.lang.reflect.InvocationTargetException;

import java.lang.reflect.Method;

            };

            cl2.testModifiedInstance();

        } catch (Throwable t) {

        // This code block is useful for debugging. However to make it work you need to

        // pull in the org.objectweb.asm.util.TraceClassVisitor class and associated

        // utilities which are found in the ASM source jar.

        //

        // } catch (Throwable t) {

        //     For debugging, dump the bytecode of the class in case of unexpected error.

            StringWriter sw = new StringWriter();

            PrintWriter pw = new PrintWriter(sw);

            TraceClassVisitor tcv = new TraceClassVisitor(pw);

            ClassReader cr2 = new ClassReader(bytes);

            cr2.accept(tcv, 0 /* flags */);

            String msg = "\n" + t.getClass().getCanonicalName();

            if (t.getMessage() != null) {

                msg += ": " + t.getMessage();

            }

            msg = msg + "\nBytecode dump:\n" + sw.toString();

            // Re-throw exception with new message

            RuntimeException ex = new RuntimeException(msg, t);

            throw ex;

        //     StringWriter sw = new StringWriter();

        //     PrintWriter pw = new PrintWriter(sw);

        //     TraceClassVisitor tcv = new TraceClassVisitor(pw);

        //     ClassReader cr2 = new ClassReader(bytes);

        //     cr2.accept(tcv, 0 /* flags */);

        //     String msg = "\n" + t.getClass().getCanonicalName();

        //     if (t.getMessage() != null) {

        //       msg += ": " + t.getMessage();

        //     }

        //     msg = msg + "\nBytecode dump:\n" + sw.toString();

        //  // Re-throw exception with new message

        //     RuntimeException ex = new RuntimeException(msg, t);

        //     throw ex;

        } finally {

        }

    }