driver-core/src/main/com/mongodb/connection/BulkWriteBatchCombiner.java
public void addResult(final BulkWriteResult result, final IndexMap indexMap) {
        insertedCount += result.getInsertedCount();
        matchedCount += result.getMatchedCount();
        deletedCount += result.getDeletedCount();
        modifiedCount += result.getModifiedCount();
        mergeUpserts(result.getUpserts(), indexMap);
    }
public void addResult(final BulkWriteResult result, final IndexMap indexMap) {
        insertedCount += result.getInsertedCount();
        matchedCount += result.getMatchedCount();
        deletedCount += result.getDeletedCount();
        modifiedCount += result.getModifiedCount();
        mergeUpserts(result.getUpserts(), indexMap);
    }
Add a result

@param result   the result
@param indexMap the index map