public long getAvgObjSizeInBytes() {
        return collectionStats.getNumber("avgObjSize", new BsonInt64(0)).longValue();
    }
The average size of an object in the collection.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/mongodb-cdc/src/main/java/org/apache/inlong/sort/cdc/mongodb/source/assigners/splitters/SplitContext.java