code: protected void initializeServices(ProfileRequestContext<?, ?> profileRequestContext) throws ExternalAutenticationErrorCodeException {
      this.authnContextService.initializeContext(profileRequestContext);
      this.signSupportService.initializeContext(profileRequestContext);
    }
docs: Initializes the services for the controller. Subclasses should override this method to initialize their own
  services.
  
  @param profileRequestContext
  the request context
  @throws ExternalAutenticationErrorCodeException
  for errors during initialization