Wait for consumer to shut down. Note that awaitTermination is guaranteed to complete after consumer shutdown, even when the consumer is cancelled with terminate.
This method will not initiate shutdown. To initiate shutdown and wait for it to complete, you can use terminate >> awaitTermination.
Whenever terminate is invoked, an attempt will be made to stop the underlying consumer.
Whenever terminate is invoked, an attempt will be made to stop the underlying consumer. The terminate operation will not wait for the consumer to shutdown. If you also want to wait for the shutdown to complete, you can use terminate >> awaitTermination.