openide/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/sum/afterIntegerSum.java

// "Collapse loop with stream 'sum()'" "true-preview"
import java.util.List;

public class Main {
  public int sum(List<Integer> list) {
    int sum = list.stream().mapToInt(x -> x).sum();
      return sum;
  }
}