[jira] [Created] (KAFKA-19644) Enhance the documentation for producer headers

[Chia-Ping Tsai (Jira)]

Chia-Ping Tsai created KAFKA-19644:
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             Summary: Enhance the documentation for producer headers
                 Key: KAFKA-19644
                 URL: https://issues.apache.org/jira/browse/KAFKA-19644
             Project: Kafka
          Issue Type: Improvement
            Reporter: Chia-Ping Tsai
            Assignee: Chia-Ping Tsai


1. `Header#key` never returns null
2. `Header#value` may return null
3. the order of  `Iterable<Header> headers` passed to a `ProducerRecord` is 
preserved and will match the order of eaders in the corresponding 
`ConsumerRecord`



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