Map<String, PropertyDoc> props = new TreeMap<String, PropertyDoc>();
        List<ClassDoc> superTypes = classDoc.getSuperTypes();
        for (ClassDoc superType : superTypes) {
            LOG.info("Getting properties for {}", superType.getName());
            for (PropertyDoc propertyDoc : superType.getClassProperties()) {

            if (!visited.add(superTypeName)) continue

            val superType = typeForInternalName(superTypeName) ?: continue

            if (superType.delegate.methods.any(matchesMethodNode)) return false

            superTypeStack.addSuperTypesOf(superType.delegate)
        }
        return true
    }

    private

        PropertyDoc propertyDocA = propertyDoc('a')
        PropertyDoc propertyDocC = propertyDoc('c')

        ClassDoc superType1 = classDoc("org.gradle.SuperType1")
        ClassDoc superType2 = classDoc("org.gradle.SuperType2")

        def content = parse('''
<section>
    <section><title>Properties</title>
        <table>
            <thead><tr><td>Name</td></tr></thead>

                    signatures.add(method.getOverrideSignature());
                }
            }
        }

        for (ClassDoc supertype : classDoc.getSuperTypes()) {
            for (MethodDoc method: supertype.getClassMethods()){
                if (signatures.add(method.getMetaData().getOverrideSignature())) {
                    classDoc.addClassMethod(method);
                }
            }

        MethodDoc methodD = methodDoc('d')
        MethodDoc methodE = methodDoc('e')
        ClassDoc superClass = classDoc('org.gradle.SuperClass')
        ClassDoc superType1 = classDoc("org.gradle.SuperType1")
        ClassDoc superType2 = classDoc("org.gradle.SuperType2")

        def content = parse('''
<section>
    <section><title>Methods</title>
        <table>
            <thead><tr><td>Name</td></tr></thead>

    public ClassDocSuperTypeBuilder(DslDocModel model, GenerationListener listener) {
        this.model = model;
        this.listener = listener;
    }

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