public MongoDBSourceBuilder<T> hosts(String hosts) {
        this.configFactory.hosts(hosts);
        return this;
    }
The comma-separated list of hostname and port pairs of mongodb servers.
inlong-sort/sort-flink/sort-flink-v1.15/sort-connectors/mongodb-cdc/src/main/java/org/apache/inlong/sort/mongodb/source/MongoDBSourceBuilder.java