import java.util.Properties;
import org.checkerframework.checker.nullness.qual.*;
public class GetProperty {
@NonNull Object nno = new Object();
void m(Properties p) {
String s = "line.separator";
nno = System.getProperty("line.separator");
//:: error: (assignment.type.incompatible)
nno = System.getProperty(s);
//:: error: (assignment.type.incompatible)
nno = System.getProperty("not.a.builtin.property");
//:: error: (assignment.type.incompatible)
nno = p.getProperty("line.separator");
//:: error: (assignment.type.incompatible)
nno = p.getProperty(s);
//:: error: (assignment.type.incompatible)
nno = p.getProperty("not.a.builtin.property");
}
}