public int getPollAwaitTimeMillis() {
        return pollAwaitTimeMillis;
    }
A MongoDB Source configuration which is used by {@link MongoDBSource}.
Copy from com.ververica:flink-connector-mongodb-cdc:2.3.0.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/mongodb-cdc/src/main/java/org/apache/inlong/sort/cdc/mongodb/source/config/MongoDBSourceConfig.java