typescript
1// Combine multiple proxy behaviors
2const carrierApi = new CarrierAPI();
3
4let service: ShippingService = carrierApi;
5service = new CachingProxy(service, 60000);      // Cache for 1 min
6service = new RateLimitingProxy(service, 100);   // 100 req/sec
7service = new LoggingProxy(service, logger);      // Log all calls
8service = new AuthProxy(service, authService);    // Check permissions
9
10// Client uses the stack transparently
11const rates = await service.getRates(request);