anchor.diff:    friends: Seq[String])
   -----------------------------------
   
  -State is stored in `StateStorage`.
  -
  -[source,scala]
  ------------------------------------
  -StateStorage[Future, MyState].forDeviceId { deviceId =>
  +State stores in `StateStorage` and initializes in `StageLoader`.
  +
  +[source,scala]
  +-----------------------------------
  +StateLoader.forDeviceId { deviceId =>
     // This hypothetical service method returns Future[User]
     authorizationService.getUserByDeviceId(deviceId) map { user =>
       Authorized(deviceId, user)
  
positive.code: object MyComponent extends Component[Future, ComponentState, ComponentParameters, EventType](initialState) {
  
    import context._
    import symbolDsl._
  
    def render(parameters: ComponentParameters, state: ComponentState): Node = {
      div(
  
negative.code: val MyComponent = Component[Future, ComponentState, ComponentParameters, EventType](initialState) { (context, parameters, state) =>
  
    import context._
    import levsha.dsl._
    import html._
  
    div(
      parameters.toString,
  