docs: public Flux<ConfigurationSetting> listSettingRevisions(SettingSelector selector) {
          Mono<PagedResponse<ConfigurationSetting>> result;
          if (selector != null) {
              String fields = getSelectQuery(selector.fields());
              result = service.listKeyValueRevisions(serviceEndpoint, selector.key(), selector.label(), fields, selector.acceptDateTime(), null);
          } else {
              result = service.listKeyValueRevisions(serviceEndpoint, null, null, null, null, null);
          }
  
          return result.flatMapMany(this::extractAndFetchConfigurationSettings);
      }