Fired when the queue is empty (All messages have been consumed).
Fired when an error occurs interacting with the queue.
If the error correlates to a message, that message is included in Params
Fired when a message is successfully processed and removed from the queue.
Fired when a message is received.
Fired when an option is updated
Fired when an error occurs processing the message.
Fired after one batch of items (up to batchSize) has been successfully processed.
Fired when the consumer starts its work..
Fired when the consumer finally stops its work.
Fired when handleMessageTimeout is supplied as an option and if
handleMessage times out.
Fired when requests to SQS were aborted.