code: @Override
      public List<Entitlement> getCurrentUsage() {
          Entitlement sites = new Entitlement();
          int totalSites = (int) siteContextManager.listContexts()
                                              .stream()
                                              .filter(context -> !context.isFallback())
                                              .count();
  
          sites.setType(EntitlementType.SITE);
          sites.setValue(totalSites);
  
          return Collections.singletonList(sites);
      }
docs: {@inheritDoc}