import org.checkerframework.checker.nullness.qual.Nullable; public class NoStubSecond { public static void one( NoStubFirst.Supplier<Integer> supplier, NoStubFirst.Callable<@Nullable Object> callable) { NoStubFirst.method(supplier, callable); } public static void two( NoStubFirst.Supplier<Integer> supplier, NoStubFirst.Callable<Object> callable) { NoStubFirst.method(supplier, callable); } }