@SuppressWarnings("WeakerAccess")
    public static String topicPrefix(final String topicProp) {
        return TOPIC_PREFIX + topicProp;
    }
Prefix a property with {@link #TOPIC_PREFIX}
used to provide default topic configs to be applied when creating internal topics.

@param topicProp the topic property to be masked
@return TOPIC_PREFIX + {@code topicProp}
streams/src/main/java/org/apache/kafka/streams/StreamsConfig.java