code: private String updateMissingGroupAccessId(AuthzTableContainer maps, Group group, String groupNameFromRole) {
          String accessIdFromRole;
          accessIdFromRole = getMissingAccessId(group);
          if (accessIdFromRole != null) {
              maps.groupToAccessIdMap.put(groupNameFromRole, accessIdFromRole);
          } else {
              // Unable to compute the accessId, store an invalid access ID indicate this
              // and avoid future attempts
              maps.groupToAccessIdMap.put(groupNameFromRole, INVALID_ACCESS_ID);
          }
          return accessIdFromRole;
      }
docs: Update the map for the specified group name. If the accessID is
  successfully computed, the map will be updated with the accessID.
  If the accessID can not be computed due to the user not being found,
  INVALID_ACCESS_ID will be stored.
  
  @param maps
  @param group
  @param groupNameFromRole
  @return