import java.util.*;
import java.util.function.*;
import java.util.stream.Stream;

public class IllegalAccessErrorTest {

    public static void main(String[] args) {
        AllTests allTests = new AllTests(() -> Arrays.asList(new Object()).stream());

        SpliteratorsTestData<Object> testedSpliterators = allTests.getTestedSpliterators();
        SpliteratorTestData testData = testedSpliterators.spliteratorCreator.apply(Arrays.asList(new Object()));

        testData.createSpliterator();
    }

    static class AllTests {
        final Supplier<Stream<Object>> streamSupplier;
        AllTests(Supplier<Stream<Object>> streamSupplier) {
            this.streamSupplier = streamSupplier;
        }
        public SpliteratorsTestData<Object> getTestedSpliterators() {
            return new SpliteratorsTestData<>(
                                                        /// Here's the problem
                    elements -> new SpliteratorTestData<>(streamSupplier.get()::spliterator)
            );
        }
    }

    static public class SpliteratorsTestData<T> {
        private final Function<List<T>, SpliteratorTestData> spliteratorCreator;
        public SpliteratorsTestData(Function<List<T>, SpliteratorTestData> spliteratorCreator) {
            this.spliteratorCreator = spliteratorCreator;
        }
    }

    static public class SpliteratorTestData<T> {
        private Supplier<Spliterator<T>> spliteratorCreator;
        public SpliteratorTestData(Supplier<Spliterator<T>> spliteratorCreator) {
            this.spliteratorCreator = spliteratorCreator;
        }
        public Spliterator<T> createSpliterator() {
            return spliteratorCreator.get();
        }
    }

}