private void addSetter(Method method, MethodCodeBody body) throws Exception {
   String methodDescriptor = Type.getMethodDescriptor(method);
   MethodVisitor methodVisitor =
       visitor.visitMethod(
           Opcodes.ACC_PUBLIC, method.getName(), methodDescriptor, null, new String[0]);
   methodVisitor.visitCode();
   body.add(methodVisitor);
   methodVisitor.visitInsn(Opcodes.RETURN);
   methodVisitor.visitMaxs(0, 0);
   methodVisitor.visitEnd();
 }
 private void addGetter(Method method, MethodCodeBody body) throws Exception {
   String methodDescriptor = Type.getMethodDescriptor(method);
   String methodName = method.getName();
   addGetter(methodName, methodDescriptor, body);
 }