result = 31 * result + nullToEmpty(excludeSpecs).hashCode();
        result = 31 * result + (caseSensitive ? 1 : 0);
        return result;
    }

    private static <T> Set<T> nullToEmptyAndUnmodifiableSet(@Nullable Set<T> set) {
        return set == null ? Collections.emptySet() : Collections.unmodifiableSet(set);
    }

    private static Set<?> nullToEmpty(@Nullable Set<?> set) {