@Override
    public void getConfig(StorVisitorConfig.Builder builder) {
        if (threadCount != null) {
            builder.visitorthreads(threadCount);
        }
        if (maxQueueSize != null) {
            builder.maxvisitorqueuesize(maxQueueSize);
        }
        if (maxConcurrentFixed != null) {
            builder.maxconcurrentvisitors_fixed(maxConcurrentFixed);
        }
        if (maxConcurrentVariable != null) {
            builder.maxconcurrentvisitors_variable(maxConcurrentVariable);
        }
    }
Serves stor-visitor config for storage clusters.
config-model/src/main/java/com/yahoo/vespa/model/content/storagecluster/StorVisitorProducer.java