gradlebuild.docs.dsl.docbook.model.ClassDoc classDoc = classes[className]
        if (classDoc == null) {
            classDoc = loadClassDoc(className)
            classes[className] = classDoc
            new ReferencedTypeBuilder(this).build(classDoc)
        }
        return classDoc
    }

    private gradlebuild.docs.dsl.docbook.model.ClassDoc loadClassDoc(String className) {
        if (currentlyBuilding.contains(className)) {