@Configuration
public class CustomWebRegistrations implements WebMvcRegistrations {
    @Override
    public RequestMappingHandlerMapping getRequestMappingHandlerMapping() {
        return new RequestMappingHandlerMapping() {
            @Override
            protected void registerHandlerMethod(Object handler, Method method, RequestMappingInfo mapping) {
                // Custom logic to modify mapping metadata before registration
                super.registerHandlerMethod(handler, method, mapping);
            }
        };
    }
}