@Override
    public PCollectionsImmutableNavigableSet<E> subSet(E fromElement, boolean fromInclusive, E toElement, boolean toInclusive) {
        return new PCollectionsImmutableNavigableSet<>(underlying().subSet(fromElement, fromInclusive, toElement, toInclusive));
    }
@param e the element
@return a wrapped tree-based persistent set that is empty
@param <E> the element type
server-common/src/main/java/org/apache/kafka/server/immutable/pcollections/PCollectionsImmutableNavigableSet.java