cpoerschke commented on code in PR #14084:
URL: https://github.com/apache/lucene/pull/14084#discussion_r1901949757
##########
lucene/core/src/java/org/apache/lucene/search/KnnCollector.java:
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@@ -85,4 +85,58 @@ public interface KnnCollector {
* @return The collected top documents
*/
TopDocs topDocs();
+
+ /**
+ * KnnCollector.Decorator is the base class for decorators of KnnCollector
objects, which extend
+ * the object with new behaviors.
+ *
+ * @lucene.experimental
+ */
+ abstract class Decorator implements KnnCollector {
+ private KnnCollector collector;
Review Comment:
```suggestion
final private KnnCollector collector;
```
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