code: @Override
      public RoleSet getRolesForAccessId(String appName, String accessId, String realmName) {
          AuthzInfo authzInfo = resourceToAuthzInfoMap.get(appName);
          if (authzInfo != null) {
              Map<String, RoleSet> accessIdToRolesMap = authzInfo.authzTableContainer.accessIdToRolesMap;
              if (accessIdToRolesMap.get(accessId) == null) {
                  accessIdToRolesMap = updateMapsForAccessId(appName, accessId, realmName);
              }
              return accessIdToRolesMap.get(accessId);
          } else {
              return null;
          }
      }
docs: {@inheritDoc}