Make comment field final in QueryBatchCursor
@@ -86,7 +86,7 @@ class QueryBatchCursor<T> implements AggregateResponseBatchCursor<T> {
private final Decoder<T> decoder;
private final long maxTimeMS;
private int batchSize;
- private BsonValue comment;
+ private final BsonValue comment;
private List<T> nextBatch;
private int count;
private BsonDocument postBatchResumeToken;
