private void handleSummaryStoreCompression(Element spec, Tuning.SearchNode.Summary.Store.Compression c) {
        for (Element e : XML.getChildren(spec)) {
            if (equals("type", e)) {
                c.type = Tuning.SearchNode.Summary.Store.Compression.Type.fromString(asString(e));
            } else if (equals("level", e)) {
                c.level = asInt(e);
            }
        }
    }
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