readKey :: RdKafkaMessageT -> IO (Maybe BSI.ByteString)
readKey = readBS keyLen'RdKafkaMessageT key'RdKafkaMessageT
readKey :: RdKafkaMessageT -> IO (Maybe BSI.ByteString)
readKey = readBS keyLen'RdKafkaMessageT key'RdKafkaMessageT
readKey = readBS keyLen'RdKafkaMessageT key'RdKafkaMessageT