**Describe alternatives you've considered** Asynchronously unsubscribe the consumer for specific functional descriptions, refer to: [async unsubscribe](https://pulsar.apache.org/api/client/org/apache/pulsar/client/api/Consumer.html#unsubscribeAsync--)
Describe alternatives you've considered
Asynchronously unsubscribe the consumer
for specific functional descriptions, refer to: async unsubscribe