docs: public Set nonReservedVisibleGrantees(boolean andPublic) {
  
          Set            grantees = visibleGrantees();
          GranteeManager gm       = granteeManager;
  
          grantees.remove(gm.dbaRole);
          grantees.remove(GranteeManager.systemAuthorisation);
  
          if (!andPublic) {
              grantees.remove(gm.publicRole);
          }
  
          return grantees;
      }