code: @Override
      public boolean isAuthorizedForTransaction(String subject, String activity) throws CompatibilityException {
          context.validateSubject(subject);
          context.validateActivity(activity);
          if (!activityPermissionsUT.containsKey(subject)) {
              return false;
          }
          return activityPermissionsUT.get(subject).contains(activity);
      }
docs: ------- Inherited methods ----------------------------------------------------------