private void handleSearchNode(DeployLogger deployLogger, Element spec, Tuning t) {
        t.searchNode = new Tuning.SearchNode();
        for (Element e : XML.getChildren(spec)) {
            if (equals("requestthreads", e)) {
               handleRequestThreads(e, t.searchNode);
            } else if (equals("flushstrategy", e)) {
                handleFlushStrategy(e, t.searchNode);
            } else if (equals("resizing", e)) {
                deployLogger.logApplicationPackage(Level.WARNING, "searchnode.resizing is deprecated and ignored");
            } else if (equals("index", e)) {
                handleIndex(deployLogger, e, t.searchNode);
            } else if (equals("attribute", e)) {
                deployLogger.logApplicationPackage(Level.WARNING, "searchnode.attribute is deprecated and ignored.");
            } else if (equals("summary", e)) {
                handleSummary(deployLogger, e, t.searchNode);
            } else if (equals("initialize", e)) {
                handleInitialize(e, t.searchNode);
            } else if (equals("feeding", e)) {
                handleFeeding(e, t.searchNode);
            } else if (equals("removed-db", e)) {
                handleRemovedDB(e, t.searchNode);
            } else if (equals("lidspace", e)) {
                handleLidSpace(e, t.searchNode);
            }
        }
    }
Builder for the tuning config for a search cluster.

@author geirst
config-model/src/main/java/com/yahoo/vespa/model/builder/xml/dom/DomSearchTuningBuilder.java