import static java.util.Arrays.asList;

import java.util.List;
import org.checkerframework.checker.nullness.qual.Nullable;

public class Issue2719 {
  public static void main(String[] args) {
    List<Integer> iList = asList(0);
    List<@Nullable Integer> jList = asList((Integer) null);
    // TODO:: error:  (assignment)
    List<List<Integer>> both = passThrough(asList(iList, jList));
    System.out.println(both.get(1).get(0).intValue());
  }

  static <T> T passThrough(T object) {
    return object;
  }
}