/**
 * This filter is used for filtering classes and methods that are annotated with the @Category annotation.
 */
class CategoryFilter extends Filter {
    private final ClassLoader applicationClassLoader;
    private final Set<String> inclusions;
    private final Set<String> exclusions;

    CategoryFilter(final Set<String> inclusions, final Set<String> exclusions, final ClassLoader applicationClassLoader) {

            return;
        }
        List<Filter> filters = new ArrayList<Filter>();
        if (spec.hasCategoryConfiguration()) {
            verifyJUnitCategorySupport();
            filters.add(new CategoryFilter(spec.getIncludeCategories(), spec.getExcludeCategories(), applicationClassLoader));
        }

        Request request = Request.aClass(testClass);
        Runner runner = request.getRunner();