public static Type fromString(String name) {
                            for (Type type : Type.values()) {
                                if (toLowerCase(name).equals(toLowerCase(type.name))) {
                                    return type;
                                }
                            }
                            return NONE;
                        }
Class representing the tuning config used for a search cluster.
Take a look at proton.def and vespa doc for detailed explanations.

@author geirst
config-model/src/main/java/com/yahoo/vespa/model/search/Tuning.java