@Override
public ExtrasMap saveExtras(ExtraProperties extras) {
Extras e = (Extras) extras;
ExtrasMap emap = new ExtrasMap();
if (e.defaultValue != null) emap.put(DEFAULT_VALUE, encode(e.defaultValue));
return emap;
}
@Override
public ExtraProperties loadExtras(ExtrasMap extras) {
Extras e = new Extras();
e.defaultValue = extras.get(DEFAULT_VALUE, Types._Dynamic, null);
return e;
}