extensionsBuilder = new ClassDocExtensionsBuilder(model, listener);
        superTypeBuilder = new ClassDocSuperTypeBuilder(model, listener);
    }

    void build(ClassDoc classDoc) {
        listener.start(String.format("class %s", classDoc.getName()));
        try {
            superTypeBuilder.build(classDoc);
            commentBuilder.build(classDoc);
            propertiesBuilder.build(classDoc);