@Override
 public void visit(
     final int version,
     final int access,
     final String name,
     final String signature,
     final String superName,
     final String[] interfaces) {
   Set<String> interfacesSet = new LinkedHashSet<String>();
   if (interfaces != null) Collections.addAll(interfacesSet, interfaces);
   for (Class extraInterface : classList) {
     if (extraInterface.isInterface())
       interfacesSet.add(BytecodeHelper.getClassInternalName(extraInterface));
   }
   final boolean addGroovyObjectSupport = !GroovyObject.class.isAssignableFrom(superClass);
   if (addGroovyObjectSupport) interfacesSet.add("groovy/lang/GroovyObject");
   super.visit(
       V1_5,
       ACC_PUBLIC,
       proxyName,
       signature,
       BytecodeHelper.getClassInternalName(superClass),
       interfacesSet.toArray(new String[interfacesSet.size()]));
   addDelegateFields();
   if (addGroovyObjectSupport) {
     createGroovyObjectSupport();
   }
   for (Class clazz : classList) {
     visitClass(clazz);
   }
 }