@Override
    public <T extends DiscoverySelector> List<T> getSelectorsByType(Class<T> selectorType) {
        if (selectorType.equals(ClassSelector.class)) {
            return Cast.uncheckedCast(selectors);
        }
        if (selectorType.equals(DiscoverySelector.class)) {
            List<DiscoverySelector> result = new ArrayList<DiscoverySelector>(delegate.getSelectorsByType(selectorType));