public MongoDBSourceConfigFactory hosts(String hosts) {
        this.hosts = hosts;
        return this;
    }
The comma-separated list of hostname and port pairs of mongodb servers.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/mongodb-cdc/src/main/java/org/apache/inlong/sort/cdc/mongodb/source/config/MongoDBSourceConfigFactory.java