private void closeAllPulsarClients() {
        pool.submit(() -> pulsarClients.keySet()
                .stream()
                .parallel()
                .forEach(this::closePulsarClient));
    }
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