private void process(final ShareAcknowledgeAsyncEvent event) {
        if (!requestManagers.shareConsumeRequestManager.isPresent()) {
            return;
        }

        ShareConsumeRequestManager manager = requestManagers.shareConsumeRequestManager.get();
        manager.commitAsync(event.acknowledgementsMap());
    }
Process event that indicates the consumer acknowledged delivery of records asynchronously.
clients/src/main/java/org/apache/kafka/clients/consumer/internals/events/ApplicationEventProcessor.java