elasticsearch-js/docs/reference/api/BulkHelperOptions.md

BulkHelperOptions [interface-BulkHelperOptions]

Name	Type	Description
concurrency	number
datasource	TDocument[]	Buffer
flushBytes	number
flushInterval	number
onDocument	(doc: TDocument) => Action
onDrop	(doc: OnDropDocument) => void
onSuccess	(doc: OnSuccessDocument) => void
refreshOnCompletion	boolean	string
retries	number
wait	number