anchor.diff:  act accordingly:
   
   .Sample code
  -[souce,java]
  +[source,java]
   ----
       public void caller(int val) {
   
  
positive.code: 
  This annotation is optional and should only be used when some of the method arguments are NOT part of the cache key.
  
  == Configuring the underlying caching provider
  
  This extension uses https://github.com/ben-manes/caffeine[Caffeine] as its underlying caching provider.
  
negative.code: the exception bubble out of the called method and catch it at the caller side:
  
  .With Exception bubbling up
  [source,java]
  ----
     public void caller(int val) {
         try {
  