list.appendChild(listItem);
        Element seg = document.createElement("seg");
        listItem.appendChild(seg);
        Element apilink = document.createElement("apilink");
        seg.appendChild(apilink);
        apilink.setAttribute("class", classDoc.getName());
        apilink.setAttribute("style", classDoc.getStyle());
    }

    private void addSubtypeLinks(ClassDoc classDoc, Element parent, Document document) {

        if (model.isKnownType(method.getOwnerClass().getClassName())) {
            Element apilink = document.createElement("apilink");
            apilink.setAttribute("class", method.getOwnerClass().getClassName());
            apilink.setAttribute("method", method.getOverrideSignature());
            return apilink;
        } else {
            listener.warning(String.format("Could not generate link for method %s", method));

        linkRepository.load(linksFile.get().asFile)

        findAll(doc, 'apilink').each { Element element ->
            String className = element.'@class'
            if (!className) {
                throw new RuntimeException('No "class" attribute specified for <apilink> element.')
            }
            String methodName = element.'@method'