super(index, indexSettings, name, settings);
Collator collator;
String rules = settings.get("rules");
if (rules != null) {
FailedToResolveConfigException failureToResolve = null;
try {
rules = environment.resolveConfigAndLoadToString(rules);
} catch (FailedToResolveConfigException e) {
failureToResolve = e;
} catch (IOException e) {