anchor.diff:  If you don't want to forward tokens (and that is a valid
   choice, since you might want to act as yourself, rather than the
   client that sent you the token), then you only need to create your own
  -`OAuth2Context` instead of autowiring the default one. 
  +`OAuth2Context` instead of autowiring the default one.
   
   Feign clients will also pick up an interceptor that uses the
   `OAuth2ClientContext` if it is available, so they should also do a
  
positive.code: @EnableOAuth2Sso
  @EnableZuulProxy
  class Application {
    
  }
  ----
  
  
negative.code: ----
  @Autowired
  private OAuth2RestOperations restTemplate;
  
  @RequestMapping("/relay")
  public String relay() {
      ResponseEntity<String> response =
        restTemplate.getForEntity("https://foo.com/bar", String.class);
      return "Success! (" + response.getBody() + ")";
  }
  