public Map<String, KafkaFuture<TopicDescription>> topicNameValues() {
        return nameFutures;
    }
Use when {@link Admin#describeTopics(TopicCollection, DescribeTopicsOptions)} used a TopicNameCollection

@return a map from topic names to futures which can be used to check the status of
        individual topics if the request used topic names, otherwise return null.
clients/src/main/java/org/apache/kafka/clients/admin/DescribeTopicsResult.java