The approximate number of messages delivered to a consumer but not yet deleted and so unavailable for re-delivery. Note: Numbers greater than Number.MAX_SAFE_INTEGER will result in rounding issues.
The approximate size of the queue in bytes. Sum of the size of visible and in-flight messages. Note: Numbers greater than Number.MAX_SAFE_INTEGER will result in rounding issues.
The approximate number of visible messages (available for delivery) currently in the queue. Note: Numbers greater than Number.MAX_SAFE_INTEGER will result in rounding issues.
The stats for a queue or a dead letter queue.