String id = entry.getKey();
            ClassDoc type = entry.getValue();
            PropertyMetaData propertyMetaData = new PropertyMetaData(id, extensionDoc.getTargetClass().getClassMetaData());
            propertyMetaData.setType(new TypeMetaData(type.getName()));

            Element para = doc.createElement("para");
            para.appendChild(doc.createTextNode("The "));

            Collection<MethodMetaData> methods = classDoc.getClassMetaData().findDeclaredMethods(methodName);
            if (methods.isEmpty()) {
                throw new RuntimeException(String.format("No metadata for method '%s.%s()'. Available methods: %s", classDoc.getName(), methodName, classDoc.getClassMetaData().getDeclaredMethodNames()));
            }
            for (MethodMetaData method : methods) {

        this.listener = listener;
    }

    /**
     * Builds and attaches the supertypes of the given class
     */
    void build(ClassDoc classDoc) {
        ClassMetaData classMetaData = classDoc.getClassMetaData();
        String superClassName = classMetaData.getSuperClassName();
        if (superClassName != null) {

            PropertyMetaData property = classDoc.getClassMetaData().findProperty(propName);
            if (property == null) {
                throw new RuntimeException(String.format("No metadata for property '%s.%s'. Available properties: %s", classDoc.getName(), propName, classDoc.getClassMetaData().getPropertyNames()));
            }

        this.listener = listener;
    }

    /**
     * Builds the class comment for the given class.
     */
    void build(ClassDoc classDoc) {
        classDoc.setComment(javadocConverter.parse(classDoc.getClassMetaData(), listener).getDocbook());
    }