void addClassBlock(BlockDoc blockDoc) {
        classBlocks.add(blockDoc.forClass(this))
    }

    Collection<ClassExtensionDoc> getClassExtensions() { return classExtensions }

    void addClassExtension(ClassExtensionDoc extensionDoc) {
        classExtensions.add(extensionDoc)
    }

    List<ClassDoc> getSuperTypes() {
        return superClass == null ? interfaces : [superClass] + interfaces
    }

        }
        for (ClassExtensionDoc extensionDoc : plugins.values()) {
            build(extensionDoc);
            classDoc.addClassExtension(extensionDoc);
        }
    }

    private void build(ClassExtensionDoc extensionDoc) {
        Document doc;
        try {