Class FlashScope


public final class FlashScope extends FlashRegistrar<FlashScope>
Scoped builder for namespace-prefixed routes. Pure syntactic sugar — does not own a router. Routes merge into FlashApp's single flat router at FlashApp.start().

 app.mount("/api", scope -> {
     scope.use(authMiddleware);
     scope.get("/health", (req, res) -> "ok");                    // → GET /api/health
     scope.get("/users",  (req, res) -> "...", rateLimiter);      // → GET /api/users
     scope.scan("dev.example.api.handlers");
 });