docs: @Override
      public List<String> getSSODomainList() {
          WebAppSecurityConfig globalConfig = WebAppSecurityCollaboratorImpl.getGlobalWebAppSecurityConfig();
          if (globalConfig != null)
              return WebAppSecurityCollaboratorImpl.getGlobalWebAppSecurityConfig().getSSODomainList();
          else
              return domainNamesToList(ssoDomainNames);
      }