RabbitTemplate.ReturnCallback.returnedMessage(ReturnedMessage)
RabbitTemplate.ReturnCallback
PublisherCallbackChannel.Listener.handleReturn(Return)
RabbitTemplate.ReturnsCallback.returnedMessage(ReturnedMessage)
CachingConnectionFactory.setPublisherConfirmType(ConfirmType)
RabbitTemplate.setReturnsCallback(ReturnsCallback)