private void handleSummary(DeployLogger deployLogger, Element spec, Tuning.SearchNode sn) {
        sn.summary = new Tuning.SearchNode.Summary();
        for (Element e : XML.getChildren(spec)) {
            if (equals("io", e)) {
                sn.summary.io = new Tuning.SearchNode.Summary.Io();
                for (Element e2 : XML.getChildren(e)) {
                    if (equals("write", e2)) {
                        deployLogger.logApplicationPackage(Level.WARNING, "summary.io.write is deprecated and ignored.");
                    } else if (equals("read", e2)) {
                        sn.summary.io.read = Tuning.SearchNode.IoType.fromString(asString(e2));
                    }
                }
            } else if (equals("store", e)) {
                handleSummaryStore(e, sn.summary);
            }
        }
    }
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