}

    def visitableUrlClassloaderSpec() {
        def urls = [ new URL("file://some/path"), new URL("file://some/other/path") ]
        return new VisitableURLClassLoader.Spec("test", urls)
    }

    def classLoaderStructure() {
        return new HierarchicalClassLoaderStructure(filteringClassloaderSpec())
                .withChild(visitableUrlClassloaderSpec())
    }

    def "can serialize and deserialize a classloader structure"() {
        def classLoaderStructure = new HierarchicalClassLoaderStructure(filteringClassloaderSpec())
                .withChild(visitableUrlClassloaderSpec())

        when:
        serializer.write(encoder, classLoaderStructure)
        encoder.flush()

        and: