if (groupIdIsUnrepresentable(groupId)) { KafkaFutureImpl<ConsumerGroupDescription> future = new KafkaFutureImpl<>(); future.completeExceptionally(new InvalidGroupIdException("The given group id '" +
if (groupIdIsUnrepresentable(groupId)) { KafkaFutureImpl<Void> future = new KafkaFutureImpl<>(); future.completeExceptionally(new ApiException("The given group id '" +