anchor.diff:  
   ```java
   @SpringBootApplication
  +@EnableMetrics
   @EnablePrometheusScraping
  -@Import(WebMetricsConfiguration.class) // to enable automatic timing of Web MVC endpoints
   public class MyApp {
       @Bean
       public MeterRegistry prometheusRegistry() {
  
positive.code: ```
  
  The `Timer` is registered with a name of `http_server_requests` by default. This can be changed by setting
  `spring.metrics.web.name`.
  
  The `Timer` contains a set of dimensions for every request, governed by the primary bean `WebMetricsTagProvider` registered
  in your application context. If you don't provide such a bean, a default implementation is selected which adds the following dimensions:
  
negative.code: 
  === Web MVC and Annotation-Based WebFlux
  
  Adding `@EnableMetrics` to your `@SpringBootApplication` class autoconfigures these
  interceptors.
  
  The interceptors need to be enabled for every request handler or controller that you want
  to time. Add `@Timed` to:
  