docs: public static PrincipalResolver newPersonDirectoryPrincipalResolver(
          final PrincipalFactory principalFactory, final IPersonAttributeDao attributeRepository,
          final PersonDirectoryPrincipalResolverProperties personDirectory) {
  
          return new PersonDirectoryPrincipalResolver(
              attributeRepository,
              principalFactory,
              personDirectory.isReturnNull(),
              personDirectory.getPrincipalAttribute(),
              personDirectory.isUseExistingPrincipalId(),
              personDirectory.isAttributeResolutionEnabled(),
              org.springframework.util.StringUtils.commaDelimitedListToSet(personDirectory.getActiveAttributeRepositoryIds())
          );
      }