https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/util/concurrent/StructuredTaskScope.html
? ScopedValue API

baeldung
    https://www.baeldung.com/java-structured-concurrency
        try (var scope = new StructuredTaskScope.ShutdownOnFailure()) {
            Future<Shelter> shelter = scope.fork(this::getShelter);
            Future<List<Dog>> dogs = scope.fork(this::getDogs);
            scope.join();
            Response response = new Response(shelter.resultNow(), dogs.resultNow());
            // ...
        }
2025
https://foojay.io/today/javas-structured-concurrency-finally-finding-its-footing/
    https://habr.com/ru/companies/spring_aio/articles/930812/
2024
Schmidt - Walkthrough of the Java StructuredTaskScope Code of 11:37
    https://www.youtube.com/watch?v=WfyKt9dkgmM
    http://www.dre.vanderbilt.edu/~schmidt/cs891/2024-PDFs/14.2.5-StructuredTaskScope.pdf
    + VirtualThreads
https://www.happycoders.eu/java/scoped-values/
    ScopedValues
https://www.happycoders.eu/java/structured-concurrency-structuredtaskscope/
    std/custom policies
?
    https://www.youtube.com/watch?v=wWAnjsBgDA4