@Override
    public boolean onAssignmentsChange(
            Set<InLongTopic> allInLongTopics,
            Set<InLongTopic> newInLongTopics,
            Set<InLongTopic> removedInLongTopics) {
        return true;
    }
Default implementation of {@link InLongTopicChangeListener}.

Do nothing when the topic assignments change.
inlong-sort-standalone/sort-standalone-source/src/main/java/org/apache/inlong/sort/standalone/source/sortsdk/DefaultTopicChangeListener.java