public NewTopic build() {
            return new NewTopic(
                    name,
                    Optional.of(numPartitions),
                    Optional.of(replicationFactor)
            ).configs(configs);
        }
Build the {@link NewTopic} representation.

@return the topic description; never null
connect/runtime/src/main/java/org/apache/kafka/connect/util/TopicAdmin.java