algoliasearch/src/main/java/com/algolia/search/saas/Index.java
public Request saveObjectsAsync(final @NonNull JSONArray objects, @Nullable final RequestOptions requestOptions, @Nullable CompletionHandler completionHandler) {
        return getClient().new AsyncTaskRequest(completionHandler) {
            @NonNull
            @Override protected JSONObject run() throws AlgoliaException {
                return saveObjects(objects, requestOptions);
            }
        }.start();
    }
public Request saveObjectsAsync(final @NonNull JSONArray objects, @Nullable final RequestOptions requestOptions, @Nullable CompletionHandler completionHandler) {
        return getClient().new AsyncTaskRequest(completionHandler) {
            @NonNull
            @Override protected JSONObject run() throws AlgoliaException {
                return saveObjects(objects, requestOptions);
            }
        }.start();
    }
Update several objects (asynchronously).

@param objects           Objects to update. Each object must contain an <code>objectID</code> attribute.
@param requestOptions    Request-specific options.
@param completionHandler The listener that will be notified of the request's outcome.
@return A cancellable request.