foundComponents.addAll(lookup.lookupList(role));
        foundComponents.addAll(getProjectScopedExtensionComponents(projects, role));
        return foundComponents;
    }

    protected <T> Collection<T> getProjectScopedExtensionComponents(Collection<MavenProject> projects, Class<T> role) {
        if (projects == null) {
            return Collections.emptyList();
        }