public KafkaFuture<Map<Uuid, TopicDescription>> allTopicIds() {
        return all(topicIdFutures);
    }
@return A future map from topic ids to descriptions which can be used to check the
        status of individual description if the describe topic request used topic
        ids, otherwise return null, this request succeeds only if all the topic
        descriptions succeed
clients/src/main/java/org/apache/kafka/clients/admin/DescribeTopicsResult.java