code: private void repairImplicitDirectory(Future<GoogleCloudStorageItemInfo> infoFuture)
        throws IOException {
      if (infoFuture == null) {
        return;
      }
  
      checkState(
          options.getCloudStorageOptions().isAutoRepairImplicitDirectoriesEnabled(),
          "implicit directories auto repair should be enabled");
  
      GoogleCloudStorageItemInfo info = getFromFuture(infoFuture, "Failed to get info from future");
      StorageResourceId resourceId = info.getResourceId();
      logger.atFine().log("repairImplicitDirectory(%s)", resourceId);
  
      if (info.exists()
          || resourceId.isRoot()
          || resourceId.isBucket()
          || PATH_DELIMITER.equals(resourceId.getObjectName())) {
        return;
      }
  
      checkState(resourceId.isDirectory(), "'%s' should be a directory", resourceId);
  
      // Note that we do not update parent directory timestamps. The idea is that:
      // 1) directory repair isn't a user-invoked action
      // 2) directory repair shouldn't be thought of "creating" directories, instead it drops
      //    markers to help GCSFS and GHFS find directories that already "existed"
      // 3) it's extra RPCs on top of the list and create empty object RPCs
      try {
        gcs.createEmptyObject(resourceId);
        logger.atInfo().log("Successfully repaired '%s' directory.", resourceId);
      } catch (IOException e) {
        logger.atWarning().withCause(e).log("Failed to repair '%s' directory", resourceId);
      }
    }
docs: Attempts to create the directory object explicitly for provided {@code infoFuture} if it
  doesn't already exist as a directory object.