decodeAbortedTransactions = decoder => ({
  producerId: decoder.readInt64().toString(),
  firstOffset: decoder.readInt64().toString(),
})
Fetch Response (Version: 11) => throttle_time_ms error_code session_id [responses]
  throttle_time_ms => INT32
  error_code => INT16
  session_id => INT32
  responses => topic [partition_responses]
    topic => STRING
    partition_responses => partition_header record_set
      partition_header => partition error_code high_watermark last_stable_offset log_start_offset [aborted_transactions]
        partition => INT32
        error_code => INT16
        high_watermark => INT64
        last_stable_offset => INT64
        log_start_offset => INT64
        aborted_transactions => producer_id first_offset
          producer_id => INT64
          first_offset => INT64
        preferred_read_replica => INT32
      record_set => RECORDS