@Bean
 public MethodCallUriGenerator linkGenerator() {
   if (customLinkBuilderConfigurer != null) {
     MethodCallUriGenerator methodCallUriGenerator = customLinkBuilderConfigurer.linkGenerator();
     if (methodCallUriGenerator != null) {
       return methodCallUriGenerator;
     }
   }
   return defaultLinkBuilderConfigurer.linkGenerator();
 }