algoliasearch/src/offline/java/com/algolia/search/saas/OfflineIndex.java
public Request getSettingsAsync(@NonNull CompletionHandler completionHandler) {
        return getClient().new AsyncTaskRequest(completionHandler) {
            @NonNull
            @Override
            protected JSONObject run() throws AlgoliaException {
                return getSettingsSync();
            }
        }.start();
    }
public Request getSettingsAsync(@NonNull CompletionHandler completionHandler) {
        return getClient().new AsyncTaskRequest(completionHandler) {
            @NonNull
            @Override
            protected JSONObject run() throws AlgoliaException {
                return getSettingsSync();
            }
        }.start();
    }
Get this index's settings (asynchronously).

@param completionHandler The listener that will be notified of the request's outcome.
@return A cancellable request.