docs: private void extractUpdateDetails(DynamoDBPersistable dynamoDBPersistable, String prefix) {
          for (Iterator<String> dirtyFields = dynamoDBPersistable.__getDirtyFields(); dirtyFields.hasNext(); ) {
              String dirtyField = dirtyFields.next();
  
              processDirtyObject(dynamoDBPersistable.__get(dirtyField), prefix + getExpressionAttributeName(dirtyField));
          }
      }