This means that when an instance of DestinationListener has its onMessage method called for a JSON payload message - it is not possible to access the capabilities offered by the Delivery interface - for example: being able to confirm delivery of the message, or discover information about the destination that the message was sent to.
This means that when an instance of
DestinationListenerhas itsonMessagemethod called for a JSON payload message - it is not possible to access the capabilities offered by theDeliveryinterface - for example: being able to confirm delivery of the message, or discover information about the destination that the message was sent to.