public Optional<String> updateRevision() {
        return Optional.ofNullable(this.updateRevision);
    }
@return updateRevision, if not empty, indicates the version of the StatefulSet used to generate Pods in the sequence [replicas-updatedReplicas,replicas)
sdk/java/src/main/java/com/pulumi/kubernetes/apps/v1beta2/outputs/StatefulSetStatus.java