With the HLRC, the timestamp field below is serialized as "2023-08-10T18:59:59.143Z". However, with the new Java API Client it is serialized as a long time. This is with the new BulkIngester. Is there a way to customize the serialization to write the date as a string and include the time zone as previously? Thanks.
Map<String,Object> data = new HashMap<>();
data.put("timestamp", new Date());
IndexRequest request = new IndexRequest(index);
request.source(data);