anchor.diff:  ....
   management.endpoints.web.exposure.include=refresh
   ....
  -7.  Run the application using the `$ mvn spring-boot:run` command.
  +7.  Run the application using the `$ mvn spring-boot:run` command and
  +verify the values are set appropriately at http://localhost:8080/
   8.  Update a property with `gcloud`:
   +
   ....
   $ gcloud beta runtime-config configs variables set \
     myapp.queue-size 200 \
  +  --config-name myapp_prod
  +
  +$ gcloud beta runtime-config configs variables set \
  +  myapp.feature-x-enabled false \
     --config-name myapp_prod
   ....
   9.  Send a POST request to the refresh endpoint:
  
positive.code: ....
  spring.cloud.gcp.config.enabled=true
  spring.cloud.gcp.config.name=myapp
  spring.cloud.gcp.config.profile=prod #default profile = default
  ....
  5.  Notice that link:src/main/java/com/example/MyAppProperties.java[MyAppProperties.java]
  uses `@ConfigurationProperties` to bind the `myapp` namespace from the environment.
  
negative.code: ....
  $ curl -XPOST http://localhost:8080/actuator/refresh
  ....
  10. Verify the values are updated at http://localhost:8080/