public Request addObjectsAsync(final @NonNull JSONArray objects, @Nullable CompletionHandler completionHandler) {
        return addObjectsAsync(objects, /* requestOptions: */ null, completionHandler);
    }
public Request addObjectsAsync(final @NonNull JSONArray objects, @Nullable CompletionHandler completionHandler) {
        return addObjectsAsync(objects,  null, completionHandler);
    }
public Request addObjectsAsync ( final @ NonNull JSONArray objects , @ Nullable CompletionHandler completionHandler ) { return addObjectsAsync ( objects , /* requestOptions: */ null , completionHandler ) ; }
Adds several objects to this index (asynchronously).

@param objects           Objects to add.
@param completionHandler The listener that will be notified of the request's outcome.
@return A cancellable request.
Adds several objects to this index ( asynchronously ) .