docs: protected void successfulAuthentication(PortletRequest request, PortletResponse response,
              Authentication authResult) {
          if (logger.isDebugEnabled()) {
              logger.debug("Authentication success: " + authResult);
          }
          SecurityContextHolder.getContext().setAuthentication(authResult);
          // Fire event
          if (this.eventPublisher != null) {
              eventPublisher.publishEvent(new InteractiveAuthenticationSuccessEvent(authResult, this.getClass()));
          }
      }