recrawlBehavior
Specifies whether to crawl the entire dataset again or to crawl only folders that were added since the last crawler run.
A value of CRAWL_EVERYTHING
specifies crawling the entire dataset again.
A value of CRAWL_NEW_FOLDERS_ONLY
specifies crawling only folders that were added since the last crawler run.
A value of CRAWL_EVENT_MODE
specifies crawling only the changes identified by Amazon S3 events.