algoliasearch/src/offline/java/com/algolia/search/saas/MirroredIndex.java
public Request searchOnlineAsync(@NonNull Query query, @NonNull final CompletionHandler completionHandler) {
        return searchOnlineAsync(query, /* requestOptions: */ null, completionHandler);
    }
public Request searchOnlineAsync(@NonNull Query query, @NonNull final CompletionHandler completionHandler) {
        return searchOnlineAsync(query, /* requestOptions: */ null, completionHandler);
    }
Search the online API.

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