@Override
    public TopicFetcher removeTopic(InLongTopic topic, boolean closeFetcher) {
        LOGGER.info("start to remove topicKey={}", topic.getTopicKey());
        TopicFetcher result = fetchers.remove(topic.getTopicKey());
        if (result != null && closeFetcher) {
            result.close();
        }
        return result;
    }
Inlong manager that maintain the single topic fetchers.
It is suitable to the cases that each topic has its own configurations.
And each consumer only consume the very one topic.
InlongMultiTopicManager was used since 1.9.0
inlong-sdk/sort-sdk/src/main/java/org/apache/inlong/sdk/sort/manager/InlongTopicManager.java