Set if the producer requires an ack to be sent back.
Set if the producer requires an ack to be sent back. Consumer should execute once the message is processed.
the message being delivered
The number of redeliveries that this message has seen.
Total size of the delivery.
Total size of the delivery. Used for resource allocation tracking
The id the store assigned the message
After the store persists the message he may be able to supply us with locator handle which will load the message faster than looking it up via the store key.
The transaction the delivery is participating in.