How to use the link-lib.defaultNS.argu function in link-lib

it("renders correct topology through children", () => {
        const opts = ctx.multipleCW(iri, { second: { id: "resources/10" } });
        opts.lrs.registerAll(LinkedRenderStore.registerRenderer(
            createTestElement("normalRendered"),
            defaultNS.schema("CreativeWork"),
        ));
        opts.lrs.registerAll(LinkedRenderStore.registerRenderer(
            createTestElement("collectionRendered"),
            defaultNS.schema("CreativeWork"),
            RENDER_CLASS_NAME,
            defaultNS.argu("collection"),
        ));

        const comp = createElement(
            LinkedResourceContainer,
            { loadLinkedObject, subject: iri, topology: defaultNS.argu("collection") },
            createElement(
                LinkedResourceContainer,
                { loadLinkedObject, subject: iri },
                createElement(
                    LinkedResourceContainer,
                    { loadLinkedObject, subject: defaultNS.example("resources/10") },
                ),
            ),
        );

        const elem = mount(opts.wrapComponent(comp));

        expect(elem.find("span").last()).toHaveClassName("collectionRendered");
    });

it("renders correct topology through children", () => {
        const opts = ctx.multipleCW(iri, { second: { id: "resources/10" } });
        opts.lrs.registerAll(LinkedRenderStore.registerRenderer(
            createTestElement("normalRendered"),
            defaultNS.schema("CreativeWork"),
        ));
        opts.lrs.registerAll(LinkedRenderStore.registerRenderer(
            createTestElement("collectionRendered"),
            defaultNS.schema("CreativeWork"),
            RENDER_CLASS_NAME,
            defaultNS.argu("collection"),
        ));

        const comp = createElement(
            LinkedResourceContainer,
            { loadLinkedObject, subject: iri, topology: defaultNS.argu("collection") },
            createElement(
                LinkedResourceContainer,
                { loadLinkedObject, subject: iri },
                createElement(
                    LinkedResourceContainer,
                    { loadLinkedObject, subject: defaultNS.example("resources/10") },
                ),
            ),
        );

        const elem = mount(opts.wrapComponent(comp));