danny0405 commented on code in PR #13163:
URL: https://github.com/apache/hudi/pull/13163#discussion_r2049806028
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hudi-flink-datasource/hudi-flink/src/test/java/org/apache/hudi/sink/utils/ScalaCollector.java:
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@@ -20,27 +20,35 @@
import org.apache.flink.util.Collector;
+import java.util.ArrayList;
+import java.util.List;
+
/**
* A mock {@link Collector} that used in {@link TestFunctionWrapper}.
*/
class ScalaCollector<T> implements Collector<T> {
Review Comment:
The class name implies that the result should be singleton.
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