docs: private static EsStorage initES(ManagerApiMicroServiceConfig config, EsStorage esStorage) {
          if (sESStorage == null) {
              sESStorage = esStorage;
              sESStorage.setIndexName(config.getStorageESIndexName());
              if (config.isInitializeStorageES()) {
                  sESStorage.initialize();
              }
          }
          return sESStorage;
      }