import java.time.Duration;
import java.util.concurrent.StructuredTaskScope;

/** The JDK 25/26 timeout exception. In 27 the scope throws ExecutionException with a CancelledByTimeoutException cause. */
public class OldTimeoutException {
    public static void main(String[] args) throws Exception {
        try (var scope = StructuredTaskScope.open(StructuredTaskScope.Joiner.<String>awaitAllSuccessfulOrThrow(),
                cf -> cf.withTimeout(Duration.ofMillis(50)))) {
            scope.fork(() -> { Thread.sleep(1000); return "late"; });
            scope.join();
        } catch (StructuredTaskScope.TimeoutException e) {
            System.out.println("timed out");
        }
    }
}