anchor.diff:  -----------------------------------
   'body(
     "Hello world!",
  -  MyComponent(parameters) { _ =>
  +  MyComponent(parameters) { (access, _) =>
       // make transition on component event
  -    immediateTransition {
  +    access.transition {
         case n => n + 1
       }
     },
  
positive.code: 
  [source,scala]
  ------------------------------
  libraryDependencies += "com.github.fomkin" %% "korolev-server-akkahttp" % "0.5.2"
  ------------------------------
  
  And create Korolev route:
  
negative.code: 
  [source,scala]
  ------------------------------
  libraryDependencies += "com.github.fomkin" %% "korolev-jcache-support" % "0.6.0"
  ------------------------------
  
  https://github.com/fomkin/korolev/blob/v0.6.0/examples/jcache/src/main/scala/JCacheExample.scala[See full example]
  
  Akka HTTP
  ~~~~~~~~~
  