List<Tuple2<String, Integer>> resultMutableSafe = op.executeOnCollections(input, new RuntimeUDFContext(taskInfo, null, executionConfig, new HashMap<>(), List<Tuple2<String, Integer>> resultRegular = op.executeOnCollections(input, new RuntimeUDFContext(taskInfo, null, executionConfig, new HashMap<>(),
List<Tuple2<String, Integer>> resultMutableSafe = op.executeOnCollections(input, null, executionConfig); executionConfig.enableObjectReuse(); List<Tuple2<String, Integer>> resultRegular = op.executeOnCollections(input, null, executionConfig);