}
    }

    private static class SetWithFewActions<T> extends ImmutableActionSet<T> {
        private final Action<? super T>[] actions;

        SetWithFewActions(ImmutableSet<Action<? super T>> set) {
            actions = Cast.uncheckedNonnullCast(set.toArray(new Action<?>[set.size()]));
        }

        SetWithFewActions(Action<? super T>[] actions) {
            this.actions = actions;