// support reading multiple events on a stream for example
	// like : Splunk HTTP Event collector, if you are unsure
	// set this to '1'.
	batchSize   int
	payloadType string

	// store to persist and replay the logs to the target
	// to avoid missing events when the target is down.
	store          store.Store[interface{}]
	storeCtxCancel context.CancelFunc

	initQueueOnce once.Init

	config Config