public interface Acknowledgement
NACK frame is received. The handler
receives an instance of
Acknowledgement with the subscription
Frame and the impacted messages. The
list of messages depends on the type of acknowledgment used by the subscription.
Subscriptions using the
client mode receives all messages that were waiting for acknowledgment that were
sent before the acknowledged messages. The list also contains the acknowledged message. This is a cumulative
acknowledgement. Subscriptions using the
client-individual mode receives a singleton list containing only
the acknowledged message.
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