@Override
            protected void customizeContainer(PlexusContainer container) {
                super.customizeContainer(container);
                container.addComponent(mock(Maven.class), "org.apache.maven.Maven");

                ((DefaultPlexusContainer) container)
                        .addPlexusInjector(Collections.emptyList(), binder -> binder.bind(EventSpyDispatcher.class)

        given:
        withMainSourceSet()
        buildFile << '''
            class ComponentSpecContainerRules extends RuleSource {
                @Mutate
                void addComponents(ComponentSpecContainer componentSpecs) {
                    componentSpecs.anotherCustom(CustomComponent) {
                    }
                }

                @Mutate

y,layer:"base"},b])}},addDefaults(p,m){let b={[`@defaults ${p}`]:m};for(let[x,y]of _n(b)){let w=u(x,{});e.candidateRuleMap.has(w)||e.candidateRuleMap.set(w,[]),e.candidateRuleMap.get(w).push([{sort:n.create("defaults"),layer:"defaults"},y])}},addComponents(p,m){m=Object.assign({},{preserveSource:!1,respectPrefix:!0,respectImportant:!1},Array.isArray(m)?{}:m);for(let[x,y]of _n(p)){let w=u(x,m);a.add(w),e.candidateRuleMap.has(w)||e.candidateRuleMap.set(w,[]),e.candidateRuleMap.get(w).push([{sort:n...