}

    Collection<gradlebuild.docs.dsl.docbook.model.ClassDoc> getClasses() {
        return classes.values().findAll { !it.name.contains('.internal.') }
    }

    boolean isKnownType(String className) {
        return classMetaData.find(className) != null
    }

    gradlebuild.docs.dsl.docbook.model.ClassDoc findClassDoc(String className) {

            return linkElement.getFirstChild();
        }
        return linkElement;
    }

    private Node addType(String className, GenerationListener listener) {
        if (model.isKnownType(className)) {
            Element linkElement = document.createElement("apilink");
            linkElement.setAttribute("class", className);
            return linkElement;
        }