@Override
    public boolean equals(final Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        final RepartitionTopicConfig that = (RepartitionTopicConfig) o;
        return Objects.equals(name, that.name) &&
               Objects.equals(topicConfigs, that.topicConfigs) &&
               Objects.equals(enforceNumberOfPartitions, that.enforceNumberOfPartitions);
    }
Get the configured properties for this topic. If retentionMs is set then
we add additionalRetentionMs to work out the desired retention when cleanup.policy=compact,delete

@param additionalRetentionMs - added to retention to allow for clock drift etc
@return Properties to be used when creating the topic
streams/src/main/java/org/apache/kafka/streams/processor/internals/RepartitionTopicConfig.java