in src/main/scala/org/apache/pekko/persistence/dynamodb/journal/DynamoDBHelper.scala [185:195]
def desc(aws: BatchWriteItemRequest): String = {
val entry = aws.getRequestItems.entrySet.iterator.next()
val table = entry.getKey
val keys = entry.getValue.asScala.map { write =>
write.getDeleteRequest match {
case null => "put" + formatKey(write.getPutRequest.getItem)
case del => "del" + formatKey(del.getKey)
}
}
s"BatchWriteItemRequest($table, ${keys.mkString("(", ",", ")")})"
}