IT Knowledge Sharing | Interview questions

This is a simple message to read publishTime of a message when reading using PubSub IO. @ProcessElement     public void processElement(DoFn<String, MessageDTO>.ProcessContext c) throws Exception {                 MessageDTO dataPacket = c.element();                 Instant time = c.timestamp();                dto.setPubsubTimestamp(time.toDateTime());         c.output(dto);        }