public abstract Map<String, String> properties(final Map<String, String> defaultProperties, final long additionalRetentionMs);
@Test
    public void shouldSetCreateTimeByDefaultForWindowedChangelog() {
        final WindowedChangelogTopicConfig topicConfig = new WindowedChangelogTopicConfig("name", Collections.emptyMap(), 10);

        final Map<String, String> properties = topicConfig.properties(Collections.emptyMap(), 0);
        assertEquals("CreateTime", properties.get(TopicConfig.MESSAGE_TIMESTAMP_TYPE_CONFIG));
    }