@Override
        public boolean equals(final Object o) {
            if (o instanceof TopicsInfo) {
                final TopicsInfo other = (TopicsInfo) o;
                return other.sourceTopics.equals(sourceTopics) && other.stateChangelogTopics.equals(stateChangelogTopics);
            } else {
                return false;
            }
        }
Returns the topic names for any optimized source changelogs
streams/src/main/java/org/apache/kafka/streams/processor/internals/InternalTopologyBuilder.java