public Optional<Integer> revisionHistoryLimit() {
        return Optional.ofNullable(this.revisionHistoryLimit);
    }
@return The number of old history to retain to allow rollback. This is a pointer to distinguish between explicit zero and not specified. Defaults to 10.
sdk/java/src/main/java/com/pulumi/kubernetes/apps/v1beta2/outputs/DaemonSetSpec.java